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What % of the light that hits the moon is reflected? |
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-Streaks found on the moon.
-they radiate from craters
-consist of pulverized rock blasted from the moon's surface durring the formation of the crater
-brightness may help determine age of crater |
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What are the two kinds of landscape that dominate the surface of the moon? |
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Seas or Maria (singular Mare) |
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-dark lava plains w/ few craters
-seem to be caused early in the moon's life by large impacts causing lava flows |
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maria surrounded by rims or ring anticlines beyond which lie the plains |
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Mare Ridges or Wrinkle Ridges |
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-rise above surface of the moon
-found only on maria
-probably caused by compression
-formed in central part of maria durring movement or cooling and contraction of the mon's surface |
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-valley like depressions of the moon's surface w/ steep sides, flat bottoms, and varying widths
-thought 2 b features bounded by faults and formed by sibsidence of the surface
-formed by tension |
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-small pits in the earth's surface, aligned in chains
-found in maria
-resulted from violent eruptions of gass which threw out dust & fragments of surface material or the drainage of surface material into voids created by faults |
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What crater on our moon is the largest? |
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The moon has ____ the gravity of the earth. |
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