Warm-Up #27 Warm-Up #27 __

How far apart are the inner planets How far apart are the inner planets compared with the inner planets? What compared with the inner planets? What

are the inner planets? What are the outer are the inner planets? What are the outer planets?planets?

The inner planets are close together and The inner planets are close together and the outer planets are farther apart. the outer planets are farther apart. The The inner planets are Mercury, Venus, Earth, inner planets are Mercury, Venus, Earth,

and Mars.and Mars.The outer planets are Jupiter, Saturn, The outer planets are Jupiter, Saturn,

Uranus, and Neptune.Uranus, and Neptune.

Warm-Up #28 Warm-Up #28 Which planets are terrestrial (rocky?) and which Which planets are terrestrial (rocky?) and which

planets are gaseous? planets are gaseous?

Mercury, Venus, Earth and Mars are Mercury, Venus, Earth and Mars are terrestrial.terrestrial.

Jupiter, Saturn, Uranus, and Neptune are Jupiter, Saturn, Uranus, and Neptune are gaseous. gaseous.

Warm-Up #29 Warm-Up #29

A. What do all of the planets revolve A. What do all of the planets revolve around?around?THE SUNTHE SUN

B. Which planet has the most moons?B. Which planet has the most moons?JUPITERJUPITER

Warm-Up #30 Warm-Up #30

Warm-Up #30 Warm-Up #30 What is the difference between What is the difference between meteor, meteorite, meteoroid?meteor, meteorite, meteoroid?

The Quick Trick: Oids are outside the The Quick Trick: Oids are outside the atmosphere, ites are inside it, and atmosphere, ites are inside it, and

meteors are in between.meteors are in between.oror

In the frozen void it's a meteoroid. In In the frozen void it's a meteoroid. In the atmosphere it's a meteor. At the the atmosphere it's a meteor. At the

impact site it's a meteoriteimpact site it's a meteorite

Warm-Up #31 Warm-Up #31

What are asteroids? Where are most What are asteroids? Where are most asteroids in our solar system located? asteroids in our solar system located?

What else are asteroids known as?What else are asteroids known as?

Asteroids are small, rocky worlds. Asteroids are small, rocky worlds. Most asteroids revolve around the sun Most asteroids revolve around the sun between the orbits of Mars and Jupiter.between the orbits of Mars and Jupiter.Asteroids are also known as planetoids.Asteroids are also known as planetoids.

WARM-UP # 32

Which planets are the terrestrial planets and which planets are the gas planets?

What are three of their primary differences?

The terrestrial planets are made of rock, smaller, closer together, do not have rings,

and are closer to the sun.

The gas giants are made of gas, huge, farther apart, all have rings, and are farther

from the sun.

WARM-UP # 33

Why isn’t Pluto a planet anymore? What makes it a

dwarf planet?

Pluto does not clear its orbit. There are many space objects in

Pluto’s orbit.

WARM-UP # 34

What is a light year?A light year is the distance that light

travels in one year.

WARM-UP # 35

A – How many asteroids are in the asteroid belt?

Over 1 millionB – Why does Mars have seasons?

Tilt and revolution

WARM-UP # 36

What is a star?

A star is a large, hot ball of gas which is held together by its own gravity and

gives off its own light.

Warm-UP #37

What is the asteroid belt from?

The remains of a 5th terrestrial planet

WARM-UP # 38

What is the magnitude of a star? What is the difference between apparent

magnitude and absolute magnitude?

The magnitude of a star is the BRIGHTNESS.

ABSOLUTE – actual brightnessAPPARENT – how bright is appears

WARM-UP #39

What colors are the coolest stars? What color are the hottest stars?

Cool stars are red

Hot stars are blue.

WARM-Up 40What is an H-R diagram?

An H-R diagram compares the temperatures and absolute

magnitudes (brightness) of stars.

Warm-Up # 41

What is a main sequence star? What is an example of a main

sequence star?

A main sequence star is a star fusing hydrogen into helium. It is

very stable and considered an “adult” star.

Warm-Up # 42

You are in East Hanover. The sun rises at 5:42AM and sets at 8:44PM.

What season is this?Why is it this season?

It is summer. The Earth is tilted toward the sun so Earth is receiving more direct

sunlight and the days are longer.

WHITE DWARFWHITE DWARF

WARM-Up # 43

What do you call it when a star’s core continues to shrink and the surface heats up? What is the

name of this hot and dense core of a star?

WARM-Up # 44

What is another name for a black hole? What is the name for death by black

hole?

A black hole is also known

as a singularity.

Spaghettification is death by black hole.

WARM-UP # 45

What holds all of the planets in place in our solar system and why?

The planets are held in place by the Sun's gravity. The Sun is the largest

object in the solar system, its gravitational force extends far out

into the solar system.