30.3

Question 1

fifth planet from sun

Answer 1

Jupiter

Question 2

Sixth planet from sun

Answer 2

Saturn

Question 3

seventh planet from sun

Answer 3

Uranus

Question 4

eight planet from sun

Answer 4

Neptune

Question 5

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

Answer 5

Dwarf planets

Question 6

composed of dust and rock particles

Answer 6

comet

Question 7

boulder sized objects in the solar system

Answer 7

meteoroids

Question 8

objects formed from material similar to the material

Answer 8

asteroids

Question 9

extraterrestrial life

Answer 9

life beyond earth

Question 10

been labeled a distant planetoid

Answer 10

Sedna

Question 11

Which space probes flew past Jupiter in 1979?

Answer 11

Voyager 1 and Voyager 2

Question 12

Which space probe reached Jupiter in 1995?

Answer 12

Galileo

Question 13

What did the Voyager probes and Galileo study?

Answer 13

Composition, Structure, motion of Jupiter’s atmosphere, and features of Jupiter’s moons

Question 14

How many known moons does Jupiter have?

Answer 14

63 moons

Question 15

What are the 4 Galilean moons?

Answer 15

Ganymede, Callisto, Io, and Europa

Question 16

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

Answer 16

Ganymede

Question 17

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

Answer 17

Io

Question 18

What is Saturn’s rings made up of?

Answer 18

Particles of water-ice

Question 19

How many moons does Saturn have at least?

Answer 19

60 moons

Question 20

What is the name of Saturn’s largest moon?

Answer 20

Titan

Question 21

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

Answer 21

Cassini-Huygens

Question 22

What was Cassini’s mission?

Answer 22

Collected data about Saturn, Saturn’s ring system, and Saturn’s many moons.

Question 23

What was the Huygens mission?

Answer 23

Went to Titans surface

Question 24

Which space probe is the only probe to study Uranus?

Answer 24

Voyager 2

Question 25

How many moons does Uranus have?

Answer 25

27 moons

Question 26

Does Uranus have moons?

Answer 26

Yes

Question 27

How is Uranus's axis tilt?

Answer 27

Parallel to its plane

Question 28

What color is Uranus?

Answer 28

Blue-Green

Question 29

Which space probe is the only probe to reach Neptune?

Answer 29

Voyager 2

Question 30

What makes Neptune a bluer color than Uranus?

Answer 30

Methane

Question 31

How many moons does Neptune have?

Answer 31

13 moons

Question 32

What is Neptune's largest moon?

Answer 32

Triton

Question 33

What are the names of 3 dwarf planets?

Answer 33

Pluto, Eris, Ceres

Question 34

What is the bright cloud of a comet called?

Answer 34

Coma

Question 35

Where do comets originate?

Answer 35

Kuiper Belt or the Oort Cloud

Question 36

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

Answer 36

Meteor or "Shooting Stars"

Question 37

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

Answer 37

Meteorites

Question 38

What does AU stand for?

Answer 38

Astronomical Unit

Question 39

What is an AU equal?

Answer 39

150 million kilometers