Astronomy 100 Alice Enevoldsen. Powers of Ten: //vimeo.com/1066547 FAR: 1PVZok .
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Transcript of Astronomy 100 Alice Enevoldsen. Powers of Ten: //vimeo.com/1066547 FAR: 1PVZok .
Astronomy 100
Alice Enevoldsen
• Powers of Ten: http://vimeo.com/1066547
• FAR: http://www.youtube.com/watch?v=dF2HG1PVZok
• A Glorious Dawn: http://www.symphonyofscience.com/
Moon
http://science.nasa.gov/headlines/y2007/images/christmaseve/moon.jpg
1 ¼ light seconds1 ¼ light seconds
30 Earth diameters30 Earth diameters
240,000 miles240,000 miles
380,000 kilometers380,000 kilometers
http://z.about.com/d/space/1/5/Y/Q/sun_tour.jpg
Sun
8 light minutes8 light minutes
93 million miles93 million miles
1 Astronomical Unit1 Astronomical Unit
Inner Solar System
http://www.cartage.org.lb/en/themes/sciences/astronomy/Solarsystem/TheSolarsystem/solarsystem/RevolutionandRotation/RevolutionandRotation.htm
Outer Solar System
http://heasarc.gsfc.nasa.gov/docs/cosmic/gifs/alpha.jpg
Alpha Centauri
300,000 AU ?!300,000 AU ?!
One Light Year
• Distance light travels in a year
• 64,000 AU
• 1000 solar system diameters
• 9.5 trillion kilometers
Alpha Centauri
4 Light Years4 Light Years
http://www.twanight.org/newTWAN/photos/3001088.jpg
Milky Way
Wally Pacholka
http://apod.nasa.gov/apod/image/0105/sgr1_hst.jpg
Milky Way Starfield
http://apod.nasa.gov/apod/ap061126.html
Andromeda Galaxy
http://apod.nasa.gov/apod/image/9702/deep_hst_big.jpg
Hubble Deep Field
.
http://www.nasa.gov/centers/marshall/mpeg/126252main_mdis_depart.mpeg
Earth