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25 Cards in this Set
- Front
- Back
Which of the following is NOT a general physical feature of the Moon's surface? |
terminator |
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The internal structure of the Moon |
both a & c consists of a solid mantle that is rich in silicates includes a small, perhaps solid, iron-rich core |
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Which of the following statements is FALSE |
The Moon samples show a large abundance of iron |
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Which of the following must be considered when formulating a theory concerning the origin of the Moon? |
all the above |
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Which of the following statements is FALSE |
None of the above is false |
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The rising of the Moon in the east and the setting in the west is due to |
Earth's rotation |
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During one month, the Moos passes through how many phases? |
8 |
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An eclipse |
all of the above |
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Which of the following is NOT a contributing factor in causing eclipse? |
rotation of Earth about an axis |
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Tidal bulges in the ocean are due |
to the horizontal components of tidal forces that cause water to flow over Earth's surface toward areas nearest the Moon and toward areas opposite the Moon |
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Tidal forces |
all of the above |
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The direction of the Moon's revolution around Earth is |
eastward |
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Which of the following is NOT a surface feature of the Moon? |
a node |
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The Moon has three main motions: 1 rotation about its axis, 2 revolution around the Earth, 3 precession about its axis. What can be said about these three motions? |
The period of rotation is equal to the period of revolution |
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What is the current theory for the origin of the Moon? |
During a collision of a planet-sized object with Earth, enough mass was thrown from the Earth;s mantle to form the Moon |
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Large and small bowl-shaped depressions in the surface of the Moon that are believed to have been caused by impacts of objects from space are called |
craters |
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The closest point of approach between the Moon and Earth is called |
perigee |
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The phase of the moon that occurs between its first-quarter and full phases is known as |
the waxing gibbous phase |
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During what season of the year will the full moon be highest in the sky for an observer in the northern United States? |
winter |
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How often do we have a full moon? |
every 29.5 days |
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Which phase of the Moon is overhead at 6PM? |
First quarter |
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Which phase of the Moon sets at 6 AM? |
Full moon |
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What is the approximate age of the Moon? |
more than 4.4 billion years |
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Umbra is the complete dark shadow cast by an object |
True |
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What does the Moon appear to rise in the east and set in the west every day? |
Earth's rotation |