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7 Cards in this Set
- Front
- Back
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How massive is the moon in comparison to the earth?
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The moon is 1/81 as massive as the earth.
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Why does the moon have such a spherical shape?
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Because its rate of rotation is so slow.
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How does the force of gravity on the moon compare to the force of gravity on the earth?
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The moons gravity is only 1/6 of the gravity on the earth.
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What are the metric units for measuring mass? for weight?
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Kilogram; newton
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The speed that an object must travel to free itself from gravitational pull is kown by what name?
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Escape velocity
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What term is used to describe one object moving in front of another object?
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Occultation
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What is the line dividing the lighted side of the moon from the dark side?
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The terminator
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