impact craters

28/2/2011

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impact craters

File Format: PDF/Adobe Acrobat - Quick View An Impact Crater (impact basin, astrobleme or sometimes crater) is a circular or oval depression on a surface, usually referring to a planet, moon, Impact craters are geologic structures formed when a large meteoroid, asteroid or comet smashes into a planet or a satellite.This list of impact craters on Earth includes confirmed impact craters as In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile
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