22.3 Earth’s Moon <br />
Crater <br />The depression at the summit of a volcano or that which is produced by a meteorite impact.<br />
Ray<br />Any of a system of bright elongated streaks, sometimes associated with a crater on the moon.<br />
Mare<br />The Latin name for smooth areas of the moon formerly thought to be seas. <br />
Rille<br />Long channel associated with lunar maria; a rille looks similar to a trench or a valley. <br />
Lunar Regolith<br />A thin, gray Layer on the surface of the moon, consisting of loosely compacted, fragmented material be...
Key Concept<br />Most craters were produced by the impact of rapidly moving debris. <br />
Key Concept<br />Maria, ancient beds of basaltic lava, originated when asteroids punctured the lunar surface, letting magm...
Key Concept<br />The most widely accepted model for the origin of the moon is that when the solar system was forming, body...
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Earth science 22.3

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Earth science 22.3

  1. 1. 22.3 Earth’s Moon <br />
  2. 2. Crater <br />The depression at the summit of a volcano or that which is produced by a meteorite impact.<br />
  3. 3. Ray<br />Any of a system of bright elongated streaks, sometimes associated with a crater on the moon.<br />
  4. 4. Mare<br />The Latin name for smooth areas of the moon formerly thought to be seas. <br />
  5. 5. Rille<br />Long channel associated with lunar maria; a rille looks similar to a trench or a valley. <br />
  6. 6. Lunar Regolith<br />A thin, gray Layer on the surface of the moon, consisting of loosely compacted, fragmented material believed to have been formed by repeated impacts of meteorites.<br />
  7. 7. Key Concept<br />Most craters were produced by the impact of rapidly moving debris. <br />
  8. 8. Key Concept<br />Maria, ancient beds of basaltic lava, originated when asteroids punctured the lunar surface, letting magma bleed out. <br />
  9. 9. Key Concept<br />The most widely accepted model for the origin of the moon is that when the solar system was forming, body the size of mars impacted Earth.<br />
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