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Cards In This Set
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How massive is the moon in comparison to the earth?
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1.2% mass of the earth
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Why is the moon's shape nearly spherical?
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It rotates more slowly than the earth
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How does the force of gravity at the moon's surface compare to the force of gravity at the earth's surface?
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1/6 as great as the earth's
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What is the metric unit for measuring mass? for weight?
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Kilograms; newtons
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Would a spacecraft need as much feul to escape from the moon's gravity as it would from the earth? explain why.
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No, there would not be as much gravity to pull you back in
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How did the early observers know that the moon had little or no atmosphere?
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1.the moon passing in front of a star:2.the terminator-sharp line between the light and dark and light side of the moon
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What name is given to the round pit found on the surface of the moon?
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Craters
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What are the streaks that sometimes radiate out from a crater?
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Rays
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Why are some craters on the moon different than others?
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The speed of the meteors is greater than others which makes them bigger with greater impact
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What name is given to the dark lowland plains found on the moon's suface? Why were they given this name?
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Maria because early astronomers thought they were bodies of water, so they gave them latin names for the lunar seas
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What are long, narrow valleys that snake across the moon's surface called?
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Rills
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According to scripture for what pupose did God create the moon?
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For signs, seasons, days, and years
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What's the most obvious difference between the appearance of the far side of the moon and the near side of the moon?
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The near side has many more maria
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Whats the difference between the far side of the moon and the dark side of the moon?
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Far side-away from the earth; dark side-opposite the sun
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The moon does not produce its own light, how does it shine?
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It reflects the sun's light
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