Moon Flashcards

1
Q

The crust of the Moon is thicker on the far side (the side furthest from the Earth) and is thinner on the closer side (the side closer to the Earth).

A

True

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2
Q

What kind of rotation does the Moon have?

A

synchronous

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3
Q

How much of the Sun’s light is reflected off of the Moon?

A

7%

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4
Q

The Moon is moving away from us by ___ a year.

A

3.78 cm

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5
Q

What does the Moon have a large role in influencing?

A

Tides

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6
Q

Which theory about the Moon’s origin is the one that current thinking astronomers (and the evidence) favor?

A

The giant impact theory

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7
Q

How many Moons does it take to cross the diameter of Earth?

A

4

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8
Q

The Moon rotates at ____ mph.

A

10

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9
Q

What is the Earth’s moon’s scientific name?

A

Luna

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10
Q

What is the name for the trench-like areas on the Moon’s surface?

A

rills

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11
Q

How many people have walked on the Moon?

A

12

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12
Q

How many moons would fit inside the Earth?

A

49

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13
Q

How big is the Earth’s radius compared to the Moon’s?

A

4 times greater

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14
Q

The Moon is not a planet, but a _________ of the earth

A

Satellite

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15
Q

The Moon’s core has a similar composition to which layer of the Earth?

A

Mantle

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16
Q

How far is the Moon from Earth?

A

250,000 miles

17
Q

What is the largest moon relative to the size of the planet it orbits?

A

The Moon

18
Q

Why does the Moon not have an atmosphere like the Earth?

A

It is smaller and the escape velocity of atoms in less