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22.3

Earth's Moon

QuestionAnswer
Craters Round depressions in the surface of the moon
How were most craters produced? By the impact of rapidly moving debris
Highlands What most of the lunar surface is made up of. Densely pitted, light colored areas.
Maria The dark, relatively smooth area on the moon's surface is a mare 9plural - maria)
Rilles Associated with maria, llok similar to valleys or trenches, remnant of ancient lava flows.
Regolith Soli-like layer, composed ofigneous rocks, glass, beads, and fine lunar dust.
How may have the moon formed? When a large object collided with earth. The resulting debris was ejecting into space. The debris began orbiting around earth and eventually united to form the moon.
What were the last major features to form on the moon? Rayed craters
Created by: jclicurse
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