chapter 30.2

Question 1

Mars

Answer 1

the planet fourth in order from the sun

Question 2

Venus

Answer 2

the planet second in order from the sun

Question 3

Earth

Answer 3

the third planet from the Sun

Question 4

Mercury

Answer 4

the smallest and closest planet to the Sun

Question 5

How did the Solar System form?

Answer 5

nebula collapse

Question 6

How long ago did the solar system form?

Answer 6

4.6 million years ago

Question 7

What is Mercury atmosphere like?

Answer 7

has no true atmosphere

Question 8

Which planet is refered to as Earth’s sister planet?

Answer 8

Venus

Question 9

What is Venus atmosphere like?

Answer 9

very dense and very hot

Question 10

What states can water exist as on Earth due to the temperatures?

Answer 10

solid, a liquid, and a gas

Question 11

What is Mars also known as?

Answer 11

The red planet

Question 12

Why is Mars red?

Answer 12

due to iron oxide

Question 13

How many moons does Mars have?

Answer 13

2

Question 14

What are the names of those 2 moons?

Answer 14

Phobos and Deimos

Question 15

What does Phobos and Deimos mean?

Answer 15

fear and panic

Question 16

What was the mission of spirit and opportunity?

Answer 16

for liquid water

Question 17

What did the mars reconnaissance orbiter discover?

Answer 17

sediment layering and guilies

Question 18

What did the Mariner 9 discover?

Answer 18

Valles Marineris a large canyon

Question 19

What was the mission?

Answer 19

They photograph the entire surface of Mars

Question 20

Global Surveyor

Answer 20

it found that the valles marineris has similar walls as the grand canyon

Question 21

What did the mars odyssey discover?

Answer 21

water is frost beneath a thin layer of soil

Question 22

What data was gathered by the pathfinder and it rover sojuourer?

Answer 22

iron might have been leached out by ground water

Question 23

Where did the curiosity rover land?

Answer 23

Gale Crater

Question 24

What were the goals of curiosity?

Answer 24

to investigate climate and geology
collect evidence for microbial life
studie planetary habitabitily

Question 25

Jupiter

Answer 25

The fifth planet from the sun

Question 26

Saturn

Answer 26

The sixth planet from the sun

Question 27

Uranus

Answer 27

The seventh planet from the sun

Question 28

Neptune

Answer 28

The eighth planet from the sun

Question 29

Dwarf planets

Answer 29

round objects in orbit around the sun that are not satellites and that have not cleared the debris in their orbits

Question 30

comet

Answer 30

is composed of dust and rock particles, frozen water, methane, and ammonia

Question 31

asteroids

Answer 31

rocky objects formed from material similar to the material in planet's composition

Question 32

meteoroids

Answer 32

sand to boulder sized objects in the solar system

Question 33

Sedna

Answer 33

has been labeled a distant planetoid

Question 34

extraterrestrial life

Answer 34

life beyond earth

Question 35

which space probes flew past Jupiter in 1979

Answer 35

Voyager 1 and Voyager 2

Question 36

which space probe reached Jupiter in 1995

Answer 36

Galileo

Question 37

what did the Voyager probes and Galileo study

Answer 37

compositions, structure, and motions of Jupiter's atmosphere

Question 38

How many known moons does Jupiter have?

Answer 38

63

Question 39

what are the 4 Galilean moons?

Answer 39

Ganymede, Callisto, Io, and Europa

Question 40

Which of the Galilean moons is the largest in the solar system?

Answer 40

Ganymede

Question 41

Which of the Galilean moons most likely have water trapped beneath their surface?

Answer 41

Europa, Ganymede, and Callistro

Question 42

Which of the Galilean moons is the most volcanically active object in the solar system?

Answer 42

Io

Question 43

What is Saturn's most commonly known feature?

Answer 43

is composed of hydrogen and helium

Question 44

How many moons does Saturn have at least?

Answer 44

60

Question 45

What is the name of Saturn's largest moon?

Answer 45

Titan

Question 46

What is the name of the spacecraft that approached Saturn in 2004?

Answer 46

Cassini-Huygens

Question 47

What was Cassini's mission?

Answer 47

orbiting Saturn

Question 48

What was the Huygens mission?

Answer 48

passed Saturn's largest moon

Question 49

Which space probe is the only probe to study Uranus?

Answer 49

Voyager 2

Question 50

How many moons does Uranus have?

Answer 50

27

Question 51

Does Uranus have moons?

Answer 51

yes

Question 52

How is Uranus's axis tilt?

Answer 52

parallel

Question 53

What color is Uranus?

Answer 53

blue-green

Question 54

What color is Uranus?

Answer 54

blue-green

Question 55

Which space probe is the only probe to reach Neptune?

Answer 55

Voyager 2

Question 56

What makes Neptune a bluer color than Uranus?

Answer 56

contains 3 percent methane

Question 57

How many moons does Neptune have?

Answer 57

13

Question 58

What is Neptune's largest moon?

Answer 58

Triton

Question 59

What are the names of the 3 dwarf planets?

Answer 59

Pluto, Eris, and Ceres

Question 60

What is the bright cloud of a comet called?

Answer 60

coma

Question 61

where do Comets originate?

Answer 61

Kuiper belt or the Oort Cloud

Question 62

When meteoroids enter the Earth's atmosphere, what are they called?

Answer 62

Meteor or "shooting star"

Question 63

When a meteor strikes Earth's surface, what are they called?

Answer 63

Meteorites

Question 64

What does AU stand for?

Answer 64

Astronomical Unit

Question 65

What is an AU equal

Answer 65

150 million kilometers