IMPACTCRATER

Impact crater

An impact crater is an approximately circular depression in the surface of a planet, moon or other solid body in the Solar System, formed by the hypervelocity impact of a smaller body with the surface. In contrast to volcanic craters, which result from explosion or internal collapse, impact craters typically have raised rims and floors that are lower in elevation than the surrounding terrain. Impact craters range from small, simple, bowl-shaped depressions to large, complex, multi-ringed impact basins. Meteor Crater is perhaps the best-known example of a small impact crater on the Earth.

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impact crater

Noun

  1. A crater formed from an impact, typically of a meteorite, as opposed to one formed by other means such as vulcanism.


The above text is a snippet from Wiktionary: impact crater
and as such is available under the Creative Commons Attribution/Share-Alike License.

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