Quizbank/Astronomy Quiz - Wikimedia Commons · 5 / 3 0 2 1 Q u i z b a n k A s t r o m y W v e h t...

5/30/2015 Quizbank/Astronomy Quiz Wikiversity

https://en.wikiversity.org/wiki/Quizbank/Astronomy_Quiz 1/144

Quizbank/Astronomy QuizFrom Wikiversity

Contents

1 Cover page1.1 AstroSizeWhitdwrfNeutstarQSOv1s1

1.1.1 Key to AstroSizeWhitdwrfNeutstarQSOv1s11.2 AstroSizeWhitdwrfNeutstarQSOv2s1









1.10.1 Key to AstroSizeWhitdwrfNeutstarQSOv2s5

Cover page

This document contains 10 identical exams, paired into versions v1 and v2. If two exams have the same snumber,then v1 and v2 have the same questions, but full randomized (order and answers) Different snumbers havedifferent questions, chosen randomly from the same bank.

While permalinks are immune to capricious editing and vandalism, this pdf file can be replaced at any time.Therefore, one of the following two precautions should be taken:

1. Verify the identity the last known editor before downloading this pdf file to your personal computer.2. An alternative is to download this not from Wikiversity but from a trusted mirror source.

At the end of this documentAttribution for the quizzes identifies where the questions were obtainedStudy guide' links reading materials and/or relevant equations.



AstroSizeWhitdwrfNeutstarQSOv1s1

1. What was Messier doing when he independently rediscovered the Crab in 1758?

___ a) Attempting to count asteroids

___ b) Attempting one of the first star charts

___ c) Looking for a comet that he knew would be appearing in that part of the sky.

___ d) Trying to measure the orbital radius of a planet

___ e) Looking for lobsters

2. What causes the blue glow of the Crab nebula?

___ a) the same emission found in a Lava lamp (ultraviolet)

___ b) the curving motion of electrons in a magnetic field; such motion traps ultraviolet and blue light

___ c) the Gravitational blue shift

___ d) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna

___ e) the Doppler blue shift

3. The course materials presented three arguments suggesting that a white dwarf is roughly the size of the earth.Which best summarizes them?

___ a) temperatureluminosity...redshift...quantumtheoryofsolids

___ b) dopplershift...periodofpulsation...temperatureluminosity

___ c) HRdiagramlocation...Xrayemmision...spectrallines

___ d) all of these are true

___ e) xrayemmission...dopplershift...rotationrate



4. is the kinetic energy of a solid rotating ball, where M is mass, R is radius, and P is period.

And, .

You are banging espressos in a little coffeehouse with your astronomy friends, talking about a new SN remnantthat closely resembles the Crab. You have observed the pulsar, and wonder what the total power output of thenebula might be. You know both the period of the pulsar, as well as , which represents the amount of time youthink the pulsar will continue pulsing if it continues slowing down at its present rate. What formula do you writeon your napkin?

___ a)

___ b)

___ c)

___ d)

___ e)

5. You at the center raisin of an expanding raisinbread model of Hubble expansion, and from your location a raisinoriginally situated at a distance of 1 cm expands out to a distance of 4 cm. The nearest raisin with intelligent life issituated exactly halfway between your (central) location and the edge. How would this second "intelligent" raisinview an expansion of a raisin 1 cm away?

___ a) expansion from 1 cm to 4 cm (just like yours).

___ b) expansion from 1 cm to 2 cm (half of yours)

___ c) expansion from 1 cm to 3 cm (since 31=2)

___ d) expansion from 1 cm to 8 cm (twice yours).

___ e) expansion from 1 cm to 9 cm (since 51=4)



6. As of 2008, the percent uncertainty in the distance to the Crab nebula is approximately,

___ a) 25%

___ b) 10%

___ c) 100%

___ d) 0.1%

___ e) 1%

7. This light clock is associated with

___ a) general relativity

___ b) doppler shift

___ c) special relativity


___ e) gravitational shift

8. Place yourself in an expanding raisinbread model of Hubble expansion. A raisin originally situated at a distanceof 4 cm expands out to 12 cm. To what distance would a raisin originally situated at a distance of 2 cm expand?

___ a) 2

___ b) 8

___ c) 4

___ d) 3

___ e) 6

9. The course materials present two cosmic expansion plots. Hubble's original (1929) plot used

___ a) Cepheid variables

___ b) entire galaxies

___ c) red giants

___ d) novae

___ e) supernovae

https://en.wikiversity.org/wiki/File:Light-clock.png



10. At the center of the Crab nebula is

___ a)d) a neutron star

___ b)e) the remnants of a supernova

___ c)b) a pulsar

___ d)c) none of these is correct

___ e)a) all of these is correct

11. Comparing Hubble's original (1929) plot of redshift versus distance with the later one in 2007, the latterextends farther into space by a factor of

___ a) 10,000

___ b) 10

___ c) 1000

___ d) 100

___ e) 100,000

12.

What best explains this figure?

___ a) The photon loses energy, not speed. By c=fλ , it loses frequency,and by E=hf it increases wavelength and turns red.

___ b) The photon slows down, by the Doppler shift, E=hf, and thereforeby c=f&;lambda it turns red.

___ c) The photon slows down as it goes uphill, and by c=fλ it increaseswavelength therefore by E=hf, it turns red.

___ d) The photon slows down, by the Doppler shift, c=fλ, and therefore byE=hf it turns red.

___ e) The photon loses energy, not speed. By E=hf, it loses frequency, and by c=fλ it increases wavelengthand turns red.

https://en.wikiversity.org/wiki/File:Gravitational_red-shifting2.png



13. Aside from its location on the HR diagram, evidence that the white dwarf has a small radius can be found from

___ a) the temperature

___ b) the mass as measured by Kepler's third law (modified by Newton)

___ c) the gravitational redshift

___ d) the expansion of the universe

___ e) the doppler shift

14. Place yourself in an expanding raisinbread model of Hubble expansion. A raisin originally situated at adistance of 2 cm expands out to 4 cm. To what distance would a raisin originally situated at a distance of 4 cmexpand?

___ a) 3

___ b) 8

___ c) 4

___ d) 6

___ e) 2

15. One way to determine the distance to a nebula or small cluster of clouds is to compare the angular expansion tothe spectroscopic Doppler shift. Two clusters (A and B) have the same spectroscopically measured velocity.Cluster A is moving towards the observer and exhibits the greater angular expansion. Which cluster is closer?

___ a) cluster A, because it exhibits greater angular expansion

___ b) cluster A, because it exhibits a blue Doppler shift

___ c) cluster B, because it exhibits less angular expansion

___ d) cluster B, because it exhibits a red Doppler shift

___ e) either cluster might be more distant



16. In one respect, the universie is arguably "young", considering how much complexity it contains. This is oftenillustrated by a calculation of

___ a) chimps typing Shakespeare

___ b) recalibration of supernovae luminosity

___ c) cosmic redshift

___ d) recalibration of supernovae relative magnitude

___ e) cosmic expansion

17. Suppose the light clock involved a ball being tossed back and forth on atrain going just under the speed of sound. In contrast to the situation forlight reflecting back and forth on a train going just under the speed of light,there is virtually no time dilation. Why?

___ a) The observer on the ground would perceive the width the trainto be greater.

___ b) The observer on the ground would perceive the width the trainto be smaller.

___ c) Special relativity is valid only for objects travelling in a vacuum.

___ d) The observer on the ground would perceive the ball to be travelling more slowly.

___ e) The observer on the ground would perceive the ball to be travelling faster.

18. The course materials present two cosmic expansion plots. The more recent (2007) plot used

___ a) novae


___ c) supernovae

___ d) Cepheid variables

___ e) red giants




19. What causes the "fingerlike" filamentary structure in the Crab nebula?

___ a) a heavy (high density) fluid underneath a light (low density) fluid, like a lava lamp

___ b) electrons striking oxygen molecules, like a lava lamp

___ c) a light(low density) fluid underneath a heavy(high density) fluid, like a lava lamp

___ d) cyclotron motion, causing the electrons to strike oxygen molecules

___ e) electrons striking hydrogen molecules, like a lava lamp

20. Which of the following is NOT an essential piece of a a strong argument that a white dwarf is not only the sizeof the earth, but typically has the same mass as the Sun.

___ a) the distance to Sirius A

___ b) all of these are true

___ c) the relative magnitude of Sirius B

___ d) the wobble of Sirius A

___ e) the "color" (spectral class) of Sirius B

21.

This spectrum of the star Vega suggests that

___ a) all of these are true

___ b) it is an approximate black body

___ c) if is not really a black body

___ d) it can be associated with an "effective" temperature

___ e) it's surface can be associated with a range of temperatures

https://en.wikiversity.org/wiki/File:A0V-blackbody_SPD_comparison.png



Key to AstroSizeWhitdwrfNeutstarQSOv1s1


a) Attempting to count asteroids

b) Attempting one of the first star charts

+ c) Looking for a comet that he knew would be appearing in that part of the sky.

d) Trying to measure the orbital radius of a planet

e) Looking for lobsters


a) the same emission found in a Lava lamp (ultraviolet)

b) the curving motion of electrons in a magnetic field; such motion traps ultraviolet and blue light

c) the Gravitational blue shift

+ d) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna

e) the Doppler blue shift


+ a) temperatureluminosity...redshift...quantumtheoryofsolids

b) dopplershift...periodofpulsation...temperatureluminosity

c) HRdiagramlocation...Xrayemmision...spectrallines

d) all of these are true

e) xrayemmission...dopplershift...rotationrate




And, .


+ a)

b)

c)

d)

e)


+ a) expansion from 1 cm to 4 cm (just like yours).

b) expansion from 1 cm to 2 cm (half of yours)

c) expansion from 1 cm to 3 cm (since 31=2)

d) expansion from 1 cm to 8 cm (twice yours).

e) expansion from 1 cm to 9 cm (since 51=4)




+ a) 25%

b) 10%

c) 100%

d) 0.1%

e) 1%


a) general relativity

b) doppler shift

+ c) special relativity


e) gravitational shift


a) 2

b) 8

c) 4

d) 3

+ e) 6


a) Cepheid variables

+ b) entire galaxies

c) red giants

d) novae

e) supernovae





a)d) a neutron star

b)e) the remnants of a supernova

c)b) a pulsar

d)c) none of these is correct

+ e)a) all of these is correct


a) 10,000

+ b) 10

c) 1000

d) 100

e) 100,000

12.


a) The photon loses energy, not speed. By c=fλ , it loses frequency,and by E=hf it increases wavelength and turns red.

b) The photon slows down, by the Doppler shift, E=hf, andtherefore by c=f&;lambda it turns red.

c) The photon slows down as it goes uphill, and by c=fλ it increaseswavelength therefore by E=hf, it turns red.

d) The photon slows down, by the Doppler shift, c=fλ, andtherefore by E=hf it turns red.

+ e) The photon loses energy, not speed. By E=hf, it loses frequency, and by c=fλ it increaseswavelength and turns red.





a) the temperature

b) the mass as measured by Kepler's third law (modified by Newton)

+ c) the gravitational redshift

d) the expansion of the universe

e) the doppler shift


a) 3

+ b) 8

c) 4

d) 6

e) 2


+ a) cluster A, because it exhibits greater angular expansion

b) cluster A, because it exhibits a blue Doppler shift

c) cluster B, because it exhibits less angular expansion

d) cluster B, because it exhibits a red Doppler shift

e) either cluster might be more distant




+ a) chimps typing Shakespeare

b) recalibration of supernovae luminosity

c) cosmic redshift

d) recalibration of supernovae relative magnitude

e) cosmic expansion


a) The observer on the ground would perceive the width thetrain to be greater.

b) The observer on the ground would perceive the width thetrain to be smaller.

c) Special relativity is valid only for objects travelling in a vacuum.

d) The observer on the ground would perceive the ball to be travelling more slowly.

+ e) The observer on the ground would perceive the ball to be travelling faster.


a) novae

b) entire galaxies

+ c) supernovae

d) Cepheid variables

e) red giants





a) a heavy (high density) fluid underneath a light (low density) fluid, like a lava lamp

b) electrons striking oxygen molecules, like a lava lamp

+ c) a light(low density) fluid underneath a heavy(high density) fluid, like a lava lamp

d) cyclotron motion, causing the electrons to strike oxygen molecules

e) electrons striking hydrogen molecules, like a lava lamp


a) the distance to Sirius A

+ b) all of these are true

c) the relative magnitude of Sirius B

d) the wobble of Sirius A

e) the "color" (spectral class) of Sirius B

21.


+ a) all of these are true

b) it is an approximate black body

c) if is not really a black body

d) it can be associated with an "effective" temperature

e) it's surface can be associated with a range of temperatures





1.


___ a) The photon loses energy, not speed. By c=fλ , it loses frequency,and by E=hf it increases wavelength and turns red.

___ b) The photon loses energy, not speed. By E=hf, it loses frequency,and by c=fλ it increases wavelength and turns red.

___ c) The photon slows down, by the Doppler shift, c=fλ, and therefore byE=hf it turns red.

___ d) The photon slows down as it goes uphill, and by c=fλ it increaseswavelength therefore by E=hf, it turns red.

___ e) The photon slows down, by the Doppler shift, E=hf, and therefore by c=f&;lambda it turns red.


___ a) expansion from 1 cm to 2 cm (half of yours)

___ b) expansion from 1 cm to 8 cm (twice yours).

___ c) expansion from 1 cm to 4 cm (just like yours).

___ d) expansion from 1 cm to 3 cm (since 31=2)



___ a) cluster B, because it exhibits less angular expansion

___ b) cluster B, because it exhibits a red Doppler shift

___ c) cluster A, because it exhibits a blue Doppler shift

___ d) either cluster might be more distant

___ e) cluster A, because it exhibits greater angular expansion





And, .


___ a)

___ b)

___ c)

___ d)

___ e)

5. Comparing Hubble's original (1929) plot of redshift versus distance with the later one in 2007, the latter extendsfarther into space by a factor of

___ a) 10

___ b) 10,000

___ c) 100,000

___ d) 100

___ e) 1000




___ a) 4

___ b) 6

___ c) 8

___ d) 2

___ e) 3


___ a) The observer on the ground would perceive the ball to betravelling faster.

___ b) Special relativity is valid only for objects travelling in avacuum.

___ c) The observer on the ground would perceive the width the train to be greater.

___ d) The observer on the ground would perceive the width the train to be smaller.

___ e) The observer on the ground would perceive the ball to be travelling more slowly.





___ d) gravitational shift

___ e) general relativity






___ a) 4

___ b) 8

___ c) 2

___ d) 6

___ e) 3


___ a) the gravitational redshift

___ b) the expansion of the universe

___ c) the mass as measured by Kepler's third law (modified by Newton)

___ d) the temperature

___ e) the doppler shift


___ a) 100%

___ b) 0.1%

___ c) 1%

___ d) 25%

___ e) 10%


___ a) entire galaxies

___ b) novae

___ c) supernovae


___ e) red giants





___ b) electrons striking hydrogen molecules, like a lava lamp

___ c) electrons striking oxygen molecules, like a lava lamp


___ e) a light(low density) fluid underneath a heavy(high density) fluid, like a lava lamp


___ a) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna

___ b) the same emission found in a Lava lamp (ultraviolet)


___ d) the curving motion of electrons in a magnetic field; such motion traps ultraviolet and blue light



___ a) the relative magnitude of Sirius B

___ b) the "color" (spectral class) of Sirius B

___ c) the distance to Sirius A

___ d) the wobble of Sirius A

___ e) all of these are true


___ a) cosmic redshift

___ b) chimps typing Shakespeare

___ c) cosmic expansion

___ d) recalibration of supernovae relative magnitude

___ e) recalibration of supernovae luminosity





___ b)a) all of these is correct

___ c)e) the remnants of a supernova


___ e)b) a pulsar

18.


___ a) it can be associated with an "effective" temperature


___ c) it is an approximate black body

___ d) it's surface can be associated with a range of temperatures

___ e) if is not really a black body


___ a) Trying to measure the orbital radius of a planet

___ b) Looking for a comet that he knew would be appearing in that part of the sky.

___ c) Looking for lobsters

___ d) Attempting to count asteroids

___ e) Attempting one of the first star charts






___ b) xrayemmission...dopplershift...rotationrate

___ c) dopplershift...periodofpulsation...temperatureluminosity


___ e) HRdiagramlocation...Xrayemmision...spectrallines


___ a) novae

___ b) red giants

___ c) entire galaxies


___ e) supernovae




1.


a) The photon loses energy, not speed. By c=fλ , it loses frequency,and by E=hf it increases wavelength and turns red.

+ b) The photon loses energy, not speed. By E=hf, it loses frequency,and by c=fλ it increases wavelength and turns red.

c) The photon slows down, by the Doppler shift, c=fλ, and thereforeby E=hf it turns red.

d) The photon slows down as it goes uphill, and by c=fλ it increaseswavelength therefore by E=hf, it turns red.

e) The photon slows down, by the Doppler shift, E=hf, and therefore by c=f&;lambda it turns red.


a) expansion from 1 cm to 2 cm (half of yours)

b) expansion from 1 cm to 8 cm (twice yours).

+ c) expansion from 1 cm to 4 cm (just like yours).

d) expansion from 1 cm to 3 cm (since 31=2)



a) cluster B, because it exhibits less angular expansion

b) cluster B, because it exhibits a red Doppler shift

c) cluster A, because it exhibits a blue Doppler shift

d) either cluster might be more distant

+ e) cluster A, because it exhibits greater angular expansion





And, .


a)

b)

c)

+ d)

e)


+ a) 10

b) 10,000

c) 100,000

d) 100

e) 1000




a) 4

b) 6

+ c) 8

d) 2

e) 3


+ a) The observer on the ground would perceive the ball to betravelling faster.

b) Special relativity is valid only for objects travelling in avacuum.

c) The observer on the ground would perceive the width the train to be greater.

d) The observer on the ground would perceive the width the train to be smaller.

e) The observer on the ground would perceive the ball to be travelling more slowly.


a) all of these are true

b) doppler shift


d) gravitational shift

e) general relativity






a) 4

b) 8

c) 2

+ d) 6

e) 3


+ a) the gravitational redshift

b) the expansion of the universe

c) the mass as measured by Kepler's third law (modified by Newton)

d) the temperature

e) the doppler shift


a) 100%

b) 0.1%

c) 1%

+ d) 25%

e) 10%


+ a) entire galaxies

b) novae

c) supernovae


e) red giants





b) electrons striking hydrogen molecules, like a lava lamp

c) electrons striking oxygen molecules, like a lava lamp


+ e) a light(low density) fluid underneath a heavy(high density) fluid, like a lava lamp


+ a) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna

b) the same emission found in a Lava lamp (ultraviolet)


d) the curving motion of electrons in a magnetic field; such motion traps ultraviolet and blue light



a) the relative magnitude of Sirius B

b) the "color" (spectral class) of Sirius B

c) the distance to Sirius A

d) the wobble of Sirius A

+ e) all of these are true


a) cosmic redshift

+ b) chimps typing Shakespeare

c) cosmic expansion

d) recalibration of supernovae relative magnitude

e) recalibration of supernovae luminosity




a)d) a neutron star

+ b)a) all of these is correct

c)e) the remnants of a supernova


e)b) a pulsar

18.


a) it can be associated with an "effective" temperature


c) it is an approximate black body

d) it's surface can be associated with a range of temperatures

e) if is not really a black body


a) Trying to measure the orbital radius of a planet

+ b) Looking for a comet that he knew would be appearing in that part of the sky.

c) Looking for lobsters

d) Attempting to count asteroids

e) Attempting one of the first star charts






b) xrayemmission...dopplershift...rotationrate

c) dopplershift...periodofpulsation...temperatureluminosity


e) HRdiagramlocation...Xrayemmision...spectrallines


a) novae

b) red giants

c) entire galaxies


+ e) supernovae





And, .


___ a)

___ b)

___ c)

___ d)

___ e)


___ a) Special relativity is valid only for objects travelling in avacuum.

___ b) The observer on the ground would perceive the width the trainto be greater.

___ c) The observer on the ground would perceive the width the train to be smaller.







___ a) the Doppler blue shift




___ e) the curving motion of electrons in a magnetic field; such motion traps ultraviolet and blue light



___ b) Cepheid variables

___ c) red giants

___ d) novae

___ e) supernovae

5.


___ a) it is an approximate black body

___ b) it can be associated with an "effective" temperature

___ c) all of these are true






6.


___ a) The photon slows down as it goes uphill, and by c=fλ it increaseswavelength therefore by E=hf, it turns red.



___ d) The photon slows down, by the Doppler shift, E=hf, and thereforeby c=f&;lambda it turns red.

___ e) The photon loses energy, not speed. By c=fλ , it loses frequency, and by E=hf it increases wavelengthand turns red.


___ a) 10,000

___ b) 1000

___ c) 10

___ d) 100,000

___ e) 100


___ a) cyclotron motion, causing the electrons to strike oxygen molecules

___ b) a heavy (high density) fluid underneath a light (low density) fluid, like a lava lamp


___ d) electrons striking hydrogen molecules, like a lava lamp

___ e) electrons striking oxygen molecules, like a lava lamp





___ a) 2

___ b) 8

___ c) 6

___ d) 4

___ e) 3





___ d) Looking for lobsters

___ e) Trying to measure the orbital radius of a planet



___ b) the distance to Sirius A


___ d) the "color" (spectral class) of Sirius B

___ e) the wobble of Sirius A


___ a) supernovae


___ c) novae


___ e) red giants




___ a) recalibration of supernovae relative magnitude



___ d) cosmic redshift


14. You at the center raisin of an expanding raisinbread model of Hubble expansion, and from your location araisin originally situated at a distance of 1 cm expands out to a distance of 4 cm. The nearest raisin with intelligentlife is situated exactly halfway between your (central) location and the edge. How would this second "intelligent"raisin view an expansion of a raisin 1 cm away?


___ b) expansion from 1 cm to 9 cm (since 51=4)

___ c) expansion from 1 cm to 8 cm (twice yours).

___ d) expansion from 1 cm to 4 cm (just like yours).




___ b) either cluster might be more distant

___ c) cluster A, because it exhibits greater angular expansion

___ d) cluster A, because it exhibits a blue Doppler shift

___ e) cluster B, because it exhibits a red Doppler shift




___ a)c) none of these is correct



___ d)b) a pulsar

___ e)d) a neutron star


___ a) the mass as measured by Kepler's third law (modified by Newton)

___ b) the temperature

___ c) the doppler shift

___ d) the gravitational redshift

___ e) the expansion of the universe


___ a) 0.1%

___ b) 25%

___ c) 10%

___ d) 100%

___ e) 1%


___ a) 8

___ b) 3

___ c) 4

___ d) 2

___ e) 6




___ a) doppler shift

___ b) general relativity







___ c) xrayemmission...dopplershift...rotationrate

___ d) HRdiagramlocation...Xrayemmision...spectrallines

___ e) temperatureluminosity...redshift...quantumtheoryofsolids






And, .


a)

+ b)

c)

d)

e)


a) Special relativity is valid only for objects travelling in avacuum.

b) The observer on the ground would perceive the width thetrain to be greater.

c) The observer on the ground would perceive the width the train to be smaller.







a) the Doppler blue shift




e) the curving motion of electrons in a magnetic field; such motion traps ultraviolet and blue light


+ a) entire galaxies

b) Cepheid variables

c) red giants

d) novae

e) supernovae

5.


a) it is an approximate black body

b) it can be associated with an "effective" temperature

+ c) all of these are true






6.


a) The photon slows down as it goes uphill, and by c=fλ it increaseswavelength therefore by E=hf, it turns red.



d) The photon slows down, by the Doppler shift, E=hf, andtherefore by c=f&;lambda it turns red.

e) The photon loses energy, not speed. By c=fλ , it loses frequency, and by E=hf it increaseswavelength and turns red.


a) 10,000

b) 1000

+ c) 10

d) 100,000

e) 100


a) cyclotron motion, causing the electrons to strike oxygen molecules

b) a heavy (high density) fluid underneath a light (low density) fluid, like a lava lamp


d) electrons striking hydrogen molecules, like a lava lamp

e) electrons striking oxygen molecules, like a lava lamp





a) 2

b) 8

+ c) 6

d) 4

e) 3





d) Looking for lobsters

e) Trying to measure the orbital radius of a planet



b) the distance to Sirius A


d) the "color" (spectral class) of Sirius B

e) the wobble of Sirius A


+ a) supernovae

b) entire galaxies

c) novae


e) red giants




a) recalibration of supernovae relative magnitude


c) cosmic expansion

d) cosmic redshift




b) expansion from 1 cm to 9 cm (since 51=4)

c) expansion from 1 cm to 8 cm (twice yours).

+ d) expansion from 1 cm to 4 cm (just like yours).




b) either cluster might be more distant

+ c) cluster A, because it exhibits greater angular expansion

d) cluster A, because it exhibits a blue Doppler shift

e) cluster B, because it exhibits a red Doppler shift




a)c) none of these is correct



d)b) a pulsar

e)d) a neutron star


a) the mass as measured by Kepler's third law (modified by Newton)

b) the temperature

c) the doppler shift

+ d) the gravitational redshift

e) the expansion of the universe


a) 0.1%

+ b) 25%

c) 10%

d) 100%

e) 1%


+ a) 8

b) 3

c) 4

d) 2

e) 6




a) doppler shift

b) general relativity



e) all of these are true




c) xrayemmission...dopplershift...rotationrate

d) HRdiagramlocation...Xrayemmision...spectrallines

+ e) temperatureluminosity...redshift...quantumtheoryofsolids






___ a) expansion from 1 cm to 3 cm (since 31=2)

___ b) expansion from 1 cm to 4 cm (just like yours).



___ e) expansion from 1 cm to 2 cm (half of yours)


___ a) novae

___ b) red giants



___ e) supernovae




___ c) general relativity


___ e) special relativity





___ a) 3

___ b) 6

___ c) 2

___ d) 4

___ e) 8

5.


___ a) The photon slows down, by the Doppler shift, E=hf, and thereforeby c=f&;lambda it turns red.

___ b) The photon loses energy, not speed. By c=fλ , it loses frequency,and by E=hf it increases wavelength and turns red.


___ d) The photon loses energy, not speed. By E=hf, it loses frequency,and by c=fλ it increases wavelength and turns red.

___ e) The photon slows down, by the Doppler shift, c=fλ, and therefore by E=hf it turns red.



___ b) the wobble of Sirius A



___ e) the relative magnitude of Sirius B





___ a) 100,000

___ b) 10

___ c) 10,000

___ d) 100

___ e) 1000



___ b) Looking for lobsters





___ a) The observer on the ground would perceive the width the trainto be smaller.



___ d) The observer on the ground would perceive the ball to be travelling faster.

___ e) The observer on the ground would perceive the ball to be travelling more slowly.







___ c) chimps typing Shakespeare

___ d) cosmic expansion

___ e) recalibration of supernovae relative magnitude


___ a) 25%

___ b) 0.1%

___ c) 10%

___ d) 100%

___ e) 1%

12. is the kinetic energy of a solid rotating ball, where M is mass, R is radius, and P is

period. And, .


___ a)

___ b)

___ c)

___ d)

___ e)



13.


___ a) if is not really a black body


___ c) it's surface can be associated with a range of temperatures


___ e) it can be associated with an "effective" temperature


___ a) novae

___ b) red giants


___ d) supernovae

___ e) Cepheid variables


___ a) cluster A, because it exhibits greater angular expansion

___ b) cluster B, because it exhibits less angular expansion

___ c) cluster A, because it exhibits a blue Doppler shift








___ b) electrons striking oxygen molecules, like a lava lamp

___ c) a heavy (high density) fluid underneath a light (low density) fluid, like a lava lamp


___ e) a light(low density) fluid underneath a heavy(high density) fluid, like a lava lamp


___ a) the curving motion of electrons in a magnetic field; such motion traps ultraviolet and blue light






___ a) xrayemmission...dopplershift...rotationrate



___ d) temperatureluminosity...redshift...quantumtheoryofsolids




___ b)c) none of these is correct


___ d)a) all of these is correct

___ e)b) a pulsar




___ a) 6

___ b) 3

___ c) 8

___ d) 2

___ e) 4




___ c) the expansion of the universe

___ d) the doppler shift

___ e) the mass as measured by Kepler's third law (modified by Newton)





a) expansion from 1 cm to 3 cm (since 31=2)

+ b) expansion from 1 cm to 4 cm (just like yours).



e) expansion from 1 cm to 2 cm (half of yours)


a) novae

b) red giants

c) entire galaxies


+ e) supernovae



b) doppler shift

c) general relativity


+ e) special relativity





a) 3

+ b) 6

c) 2

d) 4

e) 8

5.


a) The photon slows down, by the Doppler shift, E=hf, andtherefore by c=f&;lambda it turns red.

b) The photon loses energy, not speed. By c=fλ , it loses frequency,and by E=hf it increases wavelength and turns red.


+ d) The photon loses energy, not speed. By E=hf, it loses frequency,and by c=fλ it increases wavelength and turns red.

e) The photon slows down, by the Doppler shift, c=fλ, and therefore by E=hf it turns red.



b) the wobble of Sirius A



e) the relative magnitude of Sirius B





a) 100,000

+ b) 10

c) 10,000

d) 100

e) 1000



b) Looking for lobsters





a) The observer on the ground would perceive the width thetrain to be smaller.



+ d) The observer on the ground would perceive the ball to be travelling faster.

e) The observer on the ground would perceive the ball to be travelling more slowly.





a) cosmic redshift


+ c) chimps typing Shakespeare

d) cosmic expansion

e) recalibration of supernovae relative magnitude


+ a) 25%

b) 0.1%

c) 10%

d) 100%

e) 1%


period. And, .


a)

b)

+ c)

d)

e)



13.


a) if is not really a black body


c) it's surface can be associated with a range oftemperatures

+ d) all of these are true

e) it can be associated with an "effective" temperature


a) novae

b) red giants

+ c) entire galaxies

d) supernovae

e) Cepheid variables


+ a) cluster A, because it exhibits greater angular expansion

b) cluster B, because it exhibits less angular expansion

c) cluster A, because it exhibits a blue Doppler shift








b) electrons striking oxygen molecules, like a lava lamp

c) a heavy (high density) fluid underneath a light (low density) fluid, like a lava lamp


+ e) a light(low density) fluid underneath a heavy(high density) fluid, like a lava lamp


a) the curving motion of electrons in a magnetic field; such motion traps ultraviolet and blue light






a) xrayemmission...dopplershift...rotationrate


c) all of these are true

+ d) temperatureluminosity...redshift...quantumtheoryofsolids



a)d) a neutron star

b)c) none of these is correct


+ d)a) all of these is correct

e)b) a pulsar




a) 6

b) 3

+ c) 8

d) 2

e) 4



b) the temperature

c) the expansion of the universe

d) the doppler shift

e) the mass as measured by Kepler's third law (modified by Newton)





___ a) The observer on the ground would perceive the width the trainto be greater.


___ c) The observer on the ground would perceive the ball to be travelling more slowly.

___ d) The observer on the ground would perceive the ball to be travelling faster.

___ e) Special relativity is valid only for objects travelling in a vacuum.


___ a) Attempting one of the first star charts




___ e) Attempting to count asteroids


___ a) 10%

___ b) 0.1%

___ c) 25%

___ d) 1%

___ e) 100%







___ c) expansion from 1 cm to 2 cm (half of yours)


___ e) expansion from 1 cm to 8 cm (twice yours).


___ a) supernovae

___ b) novae


___ d) red giants




___ b) cosmic expansion

___ c) recalibration of supernovae relative magnitude

___ d) recalibration of supernovae luminosity

___ e) chimps typing Shakespeare




___ a) dopplershift...periodofpulsation...temperatureluminosity


___ c) temperatureluminosity...redshift...quantumtheoryofsolids

___ d) HRdiagramlocation...Xrayemmision...spectrallines




___ b) gravitational shift


___ d) general relativity

___ e) doppler shift


And, .


___ a)

___ b)

___ c)

___ d)

___ e)





___ a) 3

___ b) 2

___ c) 6

___ d) 8

___ e) 4


___ a) the Doppler blue shift


___ c) the curving motion of electrons in a magnetic field; such motion traps ultraviolet and blue light

___ d) the Gravitational blue shift

___ e) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna


___ a) 3

___ b) 6

___ c) 8

___ d) 4

___ e) 2




___ a) 100

___ b) 100,000

___ c) 10

___ d) 10,000

___ e) 1000

14.




___ c) The photon loses energy, not speed. By E=hf, it loses frequency, andby c=fλ it increases wavelength and turns red.


___ e) The photon slows down as it goes uphill, and by c=fλ it increases wavelength therefore by E=hf, itturns red.


___ a) cluster A, because it exhibits a blue Doppler shift



___ d) cluster B, because it exhibits less angular expansion








___ c) the wobble of Sirius A


___ e) the distance to Sirius A





___ d) the mass as measured by Kepler's third law (modified by Newton)



___ a)a) all of these is correct

___ b)d) a neutron star



___ e)b) a pulsar

19.





___ d) if is not really a black body

___ e) it can be associated with an "effective" temperature






___ b) a light(low density) fluid underneath a heavy(high density) fluid, like a lava lamp

___ c) a heavy (high density) fluid underneath a light (low density) fluid, like a lava lamp





___ b) supernovae

___ c) red giants

___ d) novae

___ e) entire galaxies





a) The observer on the ground would perceive the width thetrain to be greater.


c) The observer on the ground would perceive the ball to be travelling more slowly.

+ d) The observer on the ground would perceive the ball to be travelling faster.

e) Special relativity is valid only for objects travelling in a vacuum.


a) Attempting one of the first star charts




e) Attempting to count asteroids


a) 10%

b) 0.1%

+ c) 25%

d) 1%

e) 100%







c) expansion from 1 cm to 2 cm (half of yours)


e) expansion from 1 cm to 8 cm (twice yours).


a) supernovae

b) novae


d) red giants



a) cosmic redshift

b) cosmic expansion

c) recalibration of supernovae relative magnitude

d) recalibration of supernovae luminosity

+ e) chimps typing Shakespeare




a) dopplershift...periodofpulsation...temperatureluminosity


+ c) temperatureluminosity...redshift...quantumtheoryofsolids

d) HRdiagramlocation...Xrayemmision...spectrallines




b) gravitational shift


d) general relativity

e) doppler shift


And, .


a)

b)

c)

d)

+ e)





a) 3

b) 2

c) 6

+ d) 8

e) 4


a) the Doppler blue shift


c) the curving motion of electrons in a magnetic field; such motion traps ultraviolet and blue light

d) the Gravitational blue shift

+ e) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna


a) 3

+ b) 6

c) 8

d) 4

e) 2




a) 100

b) 100,000

+ c) 10

d) 10,000

e) 1000

14.




+ c) The photon loses energy, not speed. By E=hf, it loses frequency,and by c=fλ it increases wavelength and turns red.


e) The photon slows down as it goes uphill, and by c=fλ it increases wavelength therefore by E=hf, itturns red.


a) cluster A, because it exhibits a blue Doppler shift



d) cluster B, because it exhibits less angular expansion








c) the wobble of Sirius A


e) the distance to Sirius A



b) the temperature


d) the mass as measured by Kepler's third law (modified by Newton)



+ a)a) all of these is correct

b)d) a neutron star



e)b) a pulsar



19.





d) if is not really a black body

e) it can be associated with an "effective" temperature



+ b) a light(low density) fluid underneath a heavy(high density) fluid, like a lava lamp

c) a heavy (high density) fluid underneath a light (low density) fluid, like a lava lamp





+ b) supernovae

c) red giants

d) novae

e) entire galaxies






___ a) electrons striking hydrogen molecules, like a lava lamp

___ b) a heavy (high density) fluid underneath a light (low density) fluid, like a lava lamp







___ c) The observer on the ground would perceive the ball to be travelling more slowly.

___ d) The observer on the ground would perceive the width the train to be greater.



___ a) 10,000

___ b) 10

___ c) 1000

___ d) 100,000

___ e) 100








___ d)d) a neutron star

___ e)b) a pulsar

5.


___ a) it's surface can be associated with a range of temperatures

___ b) if is not really a black body

___ c) it is an approximate black body





___ b) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna

___ c) the Doppler blue shift


___ e) the same emission found in a Lava lamp (ultraviolet)


___ a) 6

___ b) 4

___ c) 2

___ d) 3

___ e) 8






___ b) HRdiagramlocation...Xrayemmision...spectrallines





___ a) novae

___ b) supernovae

___ c) Cepheid variables

___ d) red giants


10.











___ a) 2

___ b) 4

___ c) 3

___ d) 8

___ e) 6


___ a) the wobble of Sirius A


___ c) the "color" (spectral class) of Sirius B

___ d) the relative magnitude of Sirius B



___ a) Looking for a comet that he knew would be appearing in that part of the sky.

___ b) Trying to measure the orbital radius of a planet

___ c) Attempting to count asteroids

___ d) Looking for lobsters



___ a) the doppler shift


___ c) the gravitational redshift

___ d) the expansion of the universe














___ d) expansion from 1 cm to 4 cm (just like yours).

___ e) expansion from 1 cm to 8 cm (twice yours).





period. And, .


___ a)

___ b)

___ c)

___ d)

___ e)





___ d) cosmic expansion




___ b) novae

___ c) red giants

___ d) supernovae





___ a) either cluster might be more distant

___ b) cluster A, because it exhibits a blue Doppler shift



___ e) cluster A, because it exhibits greater angular expansion


___ a) 25%

___ b) 0.1%

___ c) 1%

___ d) 10%

___ e) 100%





a) electrons striking hydrogen molecules, like a lava lamp

b) a heavy (high density) fluid underneath a light (low density) fluid, like a lava lamp







c) The observer on the ground would perceive the ball to be travelling more slowly.

d) The observer on the ground would perceive the width the train to be greater.



a) 10,000

+ b) 10

c) 1000

d) 100,000

e) 100








d)d) a neutron star

e)b) a pulsar

5.


a) it's surface can be associated with a range oftemperatures

b) if is not really a black body

c) it is an approximate black body





+ b) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna

c) the Doppler blue shift


e) the same emission found in a Lava lamp (ultraviolet)





+ a) 6

b) 4

c) 2

d) 3

e) 8



b) HRdiagramlocation...Xrayemmision...spectrallines





a) novae

b) supernovae

c) Cepheid variables

d) red giants

+ e) entire galaxies



10.








a) 2

b) 4

c) 3

+ d) 8

e) 6


a) the wobble of Sirius A


c) the "color" (spectral class) of Sirius B

d) the relative magnitude of Sirius B






+ a) Looking for a comet that he knew would be appearing in that part of the sky.

b) Trying to measure the orbital radius of a planet

c) Attempting to count asteroids

d) Looking for lobsters



a) the doppler shift

b) the temperature

+ c) the gravitational redshift

d) the expansion of the universe



a) doppler shift

b) all of these are true








+ d) expansion from 1 cm to 4 cm (just like yours).

e) expansion from 1 cm to 8 cm (twice yours).





period. And, .


a)

b)

c)

d)

+ e)




c) cosmic redshift

d) cosmic expansion





a) entire galaxies

b) novae

c) red giants

+ d) supernovae



a) either cluster might be more distant

b) cluster A, because it exhibits a blue Doppler shift



+ e) cluster A, because it exhibits greater angular expansion


+ a) 25%

b) 0.1%

c) 1%

d) 10%

e) 100%





___ a) 100%

___ b) 25%

___ c) 1%

___ d) 10%

___ e) 0.1%



___ b) the "color" (spectral class) of Sirius B

___ c) the relative magnitude of Sirius B


___ e) the wobble of Sirius A






___ e) cluster B, because it exhibits less angular expansion





___ b) supernovae


___ d) red giants

___ e) novae


___ a) electrons striking oxygen molecules, like a lava lamp



___ d) a heavy (high density) fluid underneath a light (low density) fluid, like a lava lamp

___ e) cyclotron motion, causing the electrons to strike oxygen molecules









___ b) the Doppler blue shift


___ d) the same emission found in a Lava lamp (ultraviolet)

___ e) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna




And, .


___ a)

___ b)

___ c)

___ d)

___ e)


___ a) 10

___ b) 1000

___ c) 100

___ d) 10,000

___ e) 100,000




___ a) 2

___ b) 8

___ c) 4

___ d) 6

___ e) 3

11.



___ b) The photon slows down, by the Doppler shift, c=fλ, and therefore byE=hf it turns red.






___ b) red giants

___ c) novae


___ e) supernovae





___ a) special relativity


___ c) gravitational shift




___ a) Special relativity is valid only for objects travelling in avacuum.


___ c) The observer on the ground would perceive the ball to be travelling faster.


___ e) The observer on the ground would perceive the width the train to be greater.



___ b)c) none of these is correct


___ d)b) a pulsar







___ a) the expansion of the universe

___ b) the gravitational redshift


___ d) the mass as measured by Kepler's third law (modified by Newton)

___ e) the temperature




___ c) Attempting to count asteroids

___ d) Looking for a comet that he knew would be appearing in that part of the sky.

___ e) Trying to measure the orbital radius of a planet


___ a) chimps typing Shakespeare


___ c) recalibration of supernovae relative magnitude

___ d) cosmic redshift






___ b) expansion from 1 cm to 8 cm (twice yours).



___ e) expansion from 1 cm to 4 cm (just like yours).

20.


___ a) it is an approximate black body






___ a) 8

___ b) 2

___ c) 6

___ d) 4

___ e) 3






a) 100%

+ b) 25%

c) 1%

d) 10%

e) 0.1%



b) the "color" (spectral class) of Sirius B

c) the relative magnitude of Sirius B


e) the wobble of Sirius A






e) cluster B, because it exhibits less angular expansion





b) supernovae


d) red giants

e) novae


a) electrons striking oxygen molecules, like a lava lamp



d) a heavy (high density) fluid underneath a light (low density) fluid, like a lava lamp

e) cyclotron motion, causing the electrons to strike oxygen molecules









b) the Doppler blue shift


d) the same emission found in a Lava lamp (ultraviolet)

+ e) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna




And, .


+ a)

b)

c)

d)

e)


+ a) 10

b) 1000

c) 100

d) 10,000

e) 100,000




a) 2

b) 8

c) 4

+ d) 6

e) 3

11.



b) The photon slows down, by the Doppler shift, c=fλ, andtherefore by E=hf it turns red.





a) entire galaxies

b) red giants

c) novae


+ e) supernovae





+ a) special relativity

b) doppler shift

c) gravitational shift




a) Special relativity is valid only for objects travelling in avacuum.


+ c) The observer on the ground would perceive the ball to be travelling faster.


e) The observer on the ground would perceive the width the train to be greater.


a)d) a neutron star

b)c) none of these is correct


d)b) a pulsar







a) the expansion of the universe

+ b) the gravitational redshift


d) the mass as measured by Kepler's third law (modified by Newton)

e) the temperature




c) Attempting to count asteroids

+ d) Looking for a comet that he knew would be appearing in that part of the sky.

e) Trying to measure the orbital radius of a planet


+ a) chimps typing Shakespeare


c) recalibration of supernovae relative magnitude

d) cosmic redshift

e) cosmic expansion





b) expansion from 1 cm to 8 cm (twice yours).



+ e) expansion from 1 cm to 4 cm (just like yours).

20.


a) it is an approximate black body






+ a) 8

b) 2

c) 6

d) 4

e) 3







___ b)b) a pulsar

___ c)d) a neutron star

___ d)e) the remnants of a supernova


2.






___ e) it's surface can be associated with a range of temperatures


___ a) 25%

___ b) 1%

___ c) 100%

___ d) 0.1%

___ e) 10%





___ a) supernovae

___ b) novae



___ e) red giants








___ a) 3

___ b) 8

___ c) 2

___ d) 6

___ e) 4


___ a) special relativity


___ c) general relativity

___ d) doppler shift







___ b) cosmic redshift

___ c) recalibration of supernovae luminosity

___ d) chimps typing Shakespeare




___ b) cluster B, because it exhibits less angular expansion



___ e) cluster A, because it exhibits a blue Doppler shift


___ a) Trying to measure the orbital radius of a planet

___ b) Attempting to count asteroids


___ d) Attempting one of the first star charts

___ e) Looking for lobsters




___ a) supernovae

___ b) red giants



___ e) novae


___ a) 1000

___ b) 100

___ c) 100,000

___ d) 10

___ e) 10,000


period. And, .


___ a)

___ b)

___ c)

___ d)

___ e)





___ b) the gravitational redshift


___ d) the temperature




___ b) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna

___ c) the Doppler blue shift

___ d) the same emission found in a Lava lamp (ultraviolet)

___ e) the Gravitational blue shift

16.











___ a) HRdiagramlocation...Xrayemmision...spectrallines




___ e) xrayemmission...dopplershift...rotationrate


___ a) expansion from 1 cm to 8 cm (twice yours).

___ b) expansion from 1 cm to 4 cm (just like yours).


___ d) expansion from 1 cm to 2 cm (half of yours)











___ a) 3

___ b) 6

___ c) 8

___ d) 4

___ e) 2


___ a) The observer on the ground would perceive the ball to betravelling more slowly.











b)b) a pulsar

c)d) a neutron star

d)e) the remnants of a supernova


2.






e) it's surface can be associated with a range of temperatures


+ a) 25%

b) 1%

c) 100%

d) 0.1%

e) 10%





a) supernovae

b) novae



e) red giants








a) 3

+ b) 8

c) 2

d) 6

e) 4


+ a) special relativity


c) general relativity

d) doppler shift







b) cosmic redshift

c) recalibration of supernovae luminosity

+ d) chimps typing Shakespeare

e) cosmic expansion



b) cluster B, because it exhibits less angular expansion



e) cluster A, because it exhibits a blue Doppler shift


a) Trying to measure the orbital radius of a planet

b) Attempting to count asteroids


d) Attempting one of the first star charts

e) Looking for lobsters




+ a) supernovae

b) red giants

c) entire galaxies


e) novae


a) 1000

b) 100

c) 100,000

+ d) 10

e) 10,000


period. And, .


a)

b)

c)

d)

+ e)





+ b) the gravitational redshift


d) the temperature




+ b) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna

c) the Doppler blue shift

d) the same emission found in a Lava lamp (ultraviolet)

e) the Gravitational blue shift

16.











a) HRdiagramlocation...Xrayemmision...spectrallines




e) xrayemmission...dopplershift...rotationrate


a) expansion from 1 cm to 8 cm (twice yours).

+ b) expansion from 1 cm to 4 cm (just like yours).


d) expansion from 1 cm to 2 cm (half of yours)











a) 3

+ b) 6

c) 8

d) 4

e) 2


a) The observer on the ground would perceive the ball to betravelling more slowly.










___ a) general relativity


___ c) doppler shift


___ e) special relativity


___ a) 2

___ b) 4

___ c) 8

___ d) 3

___ e) 6


___ a) cluster B, because it exhibits a red Doppler shift

___ b) cluster A, because it exhibits greater angular expansion


___ d) either cluster might be more distant

___ e) cluster A, because it exhibits a blue Doppler shift





___ a) 8

___ b) 4

___ c) 3

___ d) 2

___ e) 6


___ a) 10%

___ b) 1%

___ c) 0.1%

___ d) 100%

___ e) 25%


___ a) Looking for a comet that he knew would be appearing in that part of the sky.




___ e) Attempting to count asteroids




___ c) red giants

___ d) supernovae

___ e) novae




And, .


___ a)

___ b)

___ c)

___ d)

___ e)


___ a) expansion from 1 cm to 3 cm (since 31=2)

___ b) expansion from 1 cm to 2 cm (half of yours)

___ c) expansion from 1 cm to 4 cm (just like yours).









___ d) dopplershift...periodofpulsation...temperatureluminosity






___ d)a) all of these is correct

___ e)b) a pulsar


___ a) cosmic expansion

___ b) recalibration of supernovae relative magnitude


___ d) chimps typing Shakespeare



___ a) 10,000

___ b) 100,000

___ c) 100

___ d) 10

___ e) 1000




___ a) red giants


___ c) novae

___ d) entire galaxies

___ e) supernovae




___ c) the temperature



16.


___ a) it can be associated with an "effective" temperature

___ b) it's surface can be associated with a range of temperatures


___ d) it is an approximate black body





17.









___ b) a light(low density) fluid underneath a heavy(high density) fluid, like a lava lamp

___ c) cyclotron motion, causing the electrons to strike oxygen molecules

___ d) electrons striking oxygen molecules, like a lava lamp

___ e) electrons striking hydrogen molecules, like a lava lamp


___ a) the wobble of Sirius A

___ b) the relative magnitude of Sirius B

___ c) the "color" (spectral class) of Sirius B


___ e) the distance to Sirius A







___ c) The observer on the ground would perceive the ball to be travelling faster.


___ e) The observer on the ground would perceive the width the train to be greater.




___ c) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna








a) general relativity


c) doppler shift


+ e) special relativity


a) 2

b) 4

+ c) 8

d) 3

e) 6


a) cluster B, because it exhibits a red Doppler shift

+ b) cluster A, because it exhibits greater angular expansion


d) either cluster might be more distant

e) cluster A, because it exhibits a blue Doppler shift





a) 8

b) 4

c) 3

d) 2

+ e) 6


a) 10%

b) 1%

c) 0.1%

d) 100%

+ e) 25%


+ a) Looking for a comet that he knew would be appearing in that part of the sky.




e) Attempting to count asteroids


a) entire galaxies


c) red giants

+ d) supernovae

e) novae




And, .


a)

+ b)

c)

d)

e)


a) expansion from 1 cm to 3 cm (since 31=2)

b) expansion from 1 cm to 2 cm (half of yours)

+ c) expansion from 1 cm to 4 cm (just like yours).








c) all of these are true

d) dopplershift...periodofpulsation...temperatureluminosity




b)d) a neutron star


+ d)a) all of these is correct

e)b) a pulsar


a) cosmic expansion

b) recalibration of supernovae relative magnitude

c) cosmic redshift

+ d) chimps typing Shakespeare



a) 10,000

b) 100,000

c) 100

+ d) 10

e) 1000




a) red giants


c) novae

+ d) entire galaxies

e) supernovae




c) the temperature



16.


a) it can be associated with an "effective" temperature

b) it's surface can be associated with a range oftemperatures


d) it is an approximate black body





17.









+ b) a light(low density) fluid underneath a heavy(high density) fluid, like a lava lamp

c) cyclotron motion, causing the electrons to strike oxygen molecules

d) electrons striking oxygen molecules, like a lava lamp

e) electrons striking hydrogen molecules, like a lava lamp


a) the wobble of Sirius A

b) the relative magnitude of Sirius B

c) the "color" (spectral class) of Sirius B


e) the distance to Sirius A







+ c) The observer on the ground would perceive the ball to be travelling faster.


e) The observer on the ground would perceive the width the train to be greater.




+ c) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna







1.


___ a) if is not really a black body


___ c) it can be associated with an "effective" temperature





___ b) special relativity

___ c) gravitational shift







___ d) recalibration of supernovae luminosity

___ e) recalibration of supernovae relative magnitude










___ e) the temperature


___ a) 100%

___ b) 0.1%

___ c) 25%

___ d) 10%

___ e) 1%



___ b) Trying to measure the orbital radius of a planet


___ d) Attempting to count asteroids

___ e) Looking for a comet that he knew would be appearing in that part of the sky.



7.





___ d) The photon loses energy, not speed. By c=fλ , it loses frequency,and by E=hf it increases wavelength and turns red.



___ a) The observer on the ground would perceive the ball to betravelling more slowly.









___ d) the relative magnitude of Sirius B









___ c)a) all of these is correct

___ d)e) the remnants of a supernova

___ e)b) a pulsar


___ a) 1000

___ b) 10,000

___ c) 10

___ d) 100,000

___ e) 100


___ a) novae


___ c) red giants

___ d) supernovae





period. And, .


___ a)

___ b)

___ c)

___ d)

___ e)


___ a) a light(low density) fluid underneath a heavy(high density) fluid, like a lava lamp


___ c) electrons striking oxygen molecules, like a lava lamp


___ e) cyclotron motion, causing the electrons to strike oxygen molecules




___ a) 8

___ b) 4

___ c) 6

___ d) 3

___ e) 2



___ b) the Doppler blue shift

___ c) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna


___ e) the same emission found in a Lava lamp (ultraviolet)



___ b) cluster A, because it exhibits greater angular expansion

___ c) cluster B, because it exhibits a red Doppler shift






___ a) 4

___ b) 3

___ c) 8

___ d) 6

___ e) 2


___ a) xrayemmission...dopplershift...rotationrate




___ e) dopplershift...periodofpulsation...temperatureluminosity


___ a) red giants

___ b) supernovae



___ e) novae








___ e) expansion from 1 cm to 2 cm (half of yours)




1.


a) if is not really a black body


c) it can be associated with an "effective" temperature




a) doppler shift

+ b) special relativity

c) gravitational shift




a) cosmic redshift


c) cosmic expansion

d) recalibration of supernovae luminosity

e) recalibration of supernovae relative magnitude










e) the temperature


a) 100%

b) 0.1%

+ c) 25%

d) 10%

e) 1%



b) Trying to measure the orbital radius of a planet


d) Attempting to count asteroids

+ e) Looking for a comet that he knew would be appearing in that part of the sky.



7.





d) The photon loses energy, not speed. By c=fλ , it loses frequency,and by E=hf it increases wavelength and turns red.



a) The observer on the ground would perceive the ball to betravelling more slowly.









d) the relative magnitude of Sirius B








b)d) a neutron star

+ c)a) all of these is correct

d)e) the remnants of a supernova

e)b) a pulsar


a) 1000

b) 10,000

+ c) 10

d) 100,000

e) 100


a) novae


c) red giants

+ d) supernovae

e) entire galaxies




period. And, .


a)

b)

+ c)

d)

e)


+ a) a light(low density) fluid underneath a heavy(high density) fluid, like a lava lamp


c) electrons striking oxygen molecules, like a lava lamp


e) cyclotron motion, causing the electrons to strike oxygen molecules




a) 8

b) 4

+ c) 6

d) 3

e) 2



b) the Doppler blue shift

+ c) the curving motion of electrons in a magnetic field; such motion resembles a radio antenna


e) the same emission found in a Lava lamp (ultraviolet)



+ b) cluster A, because it exhibits greater angular expansion

c) cluster B, because it exhibits a red Doppler shift






a) 4

b) 3

+ c) 8

d) 6

e) 2


a) xrayemmission...dopplershift...rotationrate




e) dopplershift...periodofpulsation...temperatureluminosity


a) red giants

b) supernovae



e) novae








e) expansion from 1 cm to 2 cm (half of yours)



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