Chapter 30.3 & 30.4 Flashcards

1
Q

Jupiter

A

Fifth planet from the Sun

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2
Q

Saturn

A

Sixth planet from the Sun

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3
Q

Uranus

A

Seventh planet from the Sun

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4
Q

Neptune

A

Eighth planet from the Sun

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5
Q

Dwarf Planet

A

Nearly round objects in orbit around the Sun

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6
Q

Comet

A

Composed of dust and rock particles, ice, methane, and ammonia

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7
Q

Asteroid

A

Rocky objects that are similar to the material in planets composition

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8
Q

Meteoroid

A

Sand to boulder-sized objects in the solar system

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9
Q

Sedna

A

A distant planetoid

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10
Q

Extraterrestrial Life

A

Life beyond Earth

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11
Q

Which space probes flew past Jupiter in 1979?

A

Voyager 1 & 2

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12
Q

Which space probe reached Jupiter in 1995?

A

Galileo

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13
Q

What did the Voyager probes and Galileo study?

A

Composition, structure, and motion of Jupiter’s atmosphere

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14
Q

How many moons does Jupiter have?

A

63

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15
Q

What is Saturn’s most common feature?

A

It’s rings

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16
Q

What are Saturn’s rings made out of?

A

Particles of water-ice

17
Q

What is the name of Saturn’s largest moon?

18
Q

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

A

Cassini-Huygens

19
Q

What was the Huygens mission?

A

To land on Titan

20
Q

Does Uranus have moons?

21
Q

How is Uranus’s axis tilted?

A

Almost parallel to it’s plane of orbit

22
Q

What color us Uranus

23
Q

Which space probe is the only probe to reach Neptune?

24
Q

What makes Neptune bluer than Uranus?

A

It has 3% methane in it’s atmosphere

25
How many moons does Neptune have?
13 moons
26
What is Neptune's largest moon?
Triton
27
What are the names of the three dwarf planets?
Pluto, Eris, Ceres
28
What is the bright cloud of a comet called?
A coma
29
When meteoroids enter the Earth's atmosphere, what are they called?
Meteors, or shooting stars
30
When a meteor strikes Earth's surface, what are they called?
Meteorites
31
What does AU stand for, and equal?
Astronomical Unit, 150 million km