Chapter 30 - Planetary Science Flashcards

0
Q

Most of the information astronomers have gathered about the interior of the moon come from

A

Seismographs

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1
Q

Dark areas on the moon that are smooth and reflect little light are called

A

Maria’s

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2
Q

Soon after the moon formed, it was covered with

A

Molten rock

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3
Q

In the most recent stages in the development of the moon, the

A

of meteorites hitting the moon decreased

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4
Q

The moon is closest to the earth at

A

Perigee

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5
Q

During each orbit around the earth, the moon spins on its axis

A

1 time

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6
Q

In a lunar eclipse,

A

The moon is in the earths shadow

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7
Q

When the size of the visible portion of the moon is decreasing, the moon is

A

Waning

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8
Q

In the crescent phases, the entire moon shines dimly because of

A

Sunlight reflected off the earth

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9
Q

Compared with the other moons of Jupiter, the four Galilean moons are

A

Larger

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10
Q

The rings of Saturn are probably composed of billions of

A

Pieces of ice and rock

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