30.3 Vocab

Question 1

The fifth planet from the Sun

Answer 1

Jupiter

Question 2

The sixth planet from the Sun

Answer 2

Saturn

Question 3

The seventh planet from the Sun

Answer 3

Uranus

Question 4

The eighth planet from the Sun

Answer 4

Neptune

Question 5

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

Answer 5

Dwarf Planets

Question 6

Composed of dust and rock particles, frozen water, methane, and ammonia

Answer 6

Comet

Question 7

Rocky objects formed from material in planets’ composition

Answer 7

Asteroids

Question 8

Sand - to boulder - sized objects in the solar system

Answer 8

Meteoroids

Question 9

Labeled a distant planetoid

Answer 9

Sedna

Question 10

Which space probes flew past Jupiter in 1979?

Answer 10

Voyager 1 and Voyager 2

Question 11

Which space probe reached Jupiter in 1995?

Answer 11

The Galileo Space Probe

Question 12

What did the Voyager probes and Galileo study?

Answer 12

The composition, structure, and motion of Jupiter’s atmosphere as well as the features of it’s moons including the active volcanoes on Io.

Question 13

How many known moons does Jupiter have?

Answer 13

63

Question 14

What are the 4 Galilean moons?

Answer 14

Ganymede, Callisto, Io, & Europa

Question 15

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

Answer 15

Ganymede

Question 16

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

Answer 16

Europa, Ganymede, & Callisto

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 most commonly known feature?

Answer 18

Complex Ring System

Question 19

What are Saturn’s rings made of?

Answer 19

Particles of Water-Ice

Question 20

How many moons does Saturn have at least?

Answer 20

60

Question 21

What is the name of Saturn’s largest moon?

Answer 21

Titan

Question 22

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

Answer 22

Cassini-Huygens

Question 23

What was Cassini’s mission?

Answer 23

Orbit Saturn

Question 24

What was the Huygens’ mission?

Answer 24

To collect data about Saturn, its ring system, and its many moons

Question 25

Which space probe is the only probe to study Uranus?

Answer 25

Voyager 2

Question 26

How many moons does Uranus have?

Answer 26

27

Question 27

Does Uranus have moons?

Answer 27

Yes

Question 28

How is Uranus’s axis tilt?

Answer 28

Nearly parallel to the plane of the planet’s orbit

Question 29

What color is Uranus?

Answer 29

Blue-Green

Question 30

Which space probe is the only probe to reach Neptune?

Answer 30

Voyager 2

Question 31

What makes Neptune a bluer color than Uranus?

Answer 31

The methane

Question 32

How many moons does Neptune have?

Answer 32

At least 13

Question 33

What is Neptune’s largest moon?

Answer 33

Triton

Question 34

What are the names of the three dwarf planets?

Answer 34

Pluto, Eris, & Ceres

Question 35

What is the bright cloud of a comet called?

Answer 35

Coma

Question 36

Where do comets originate?

Answer 36

a vast disk of icy objects beyond Neptune’s orbit-called the Kuiper Belt - or from the Oort Cloud

Question 37

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

Answer 37

shooting stars

Question 38

What does AU stand for?

Answer 38

Astronomical Unit

Question 39

What is an AU equal?

Answer 39

150 million kilometers

Question 40

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

Answer 40

meteorites