CH 30.3-30.4 Flashcards

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1
Q

Jupiter?

A

The fifth planet from the sun.

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2
Q

Saturn?

A

The sixth planet from the sun.

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3
Q

Uranus?

A

The seventh planet from the sun.

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4
Q

Neptune?

A

The eighth planet from the sun.

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5
Q

Dwarf Planet?

A

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

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6
Q

Comet?

A

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

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7
Q

Asteroid?

A

Rocky objects formed from materials similar to the material in planets’ composition.

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8
Q

Meteoroid?

A

Sand to boulder-size objects in the solar system.

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9
Q

Sedna?

A

has been labeled a distant planeoid.

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10
Q

Extraterrestrial Life?

A

Life beyond Earth.

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11
Q

What is the space probe flew past Jupiter in 1979?

A

Voyager 1 and Voyager 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 the Galileo study?

A

Composition, structure, and motion of Jupiter’s atmosphere and many features of it’s moons.

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14
Q

How many known moons does Jupiter have?

A

63.

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15
Q

What are the 4 Galilean moons?

A

Ganymede, Callisto, Io, and Europa.

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16
Q

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

A

Ganymede.

17
Q

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

A

Titan

18
Q

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

A

Io

19
Q

What is Saturn most commonly known feature?

A

The largest and most complex ring system.

20
Q

What are Saturn rings made of?

A

Particles of water-ice.

21
Q

How many moons does Saturn have at least?

A

60