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Impact crater - Revision history
2026-04-27T03:28:05Z
Revision history for this page on the wiki
MediaWiki 1.44.2
https://wikimd.org/index.php?title=Impact_crater&diff=6341180&oldid=prev
Prab: CSV import
2025-02-23T21:07:52Z
<p>CSV import</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:07, 23 February 2025</td>
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Prab
https://wikimd.org/index.php?title=Impact_crater&diff=5258094&oldid=prev
Prab: CSV import
2024-02-24T04:39:23Z
<p>CSV import</p>
<p><b>New page</b></p><div>'''Impact crater''' is a circular depression on the surface of a [[planet]], [[moon]], or other solid body in the [[solar system]], formed by the high-speed impact of a [[meteorite]] or other celestial body. Impact craters are among the most common topographic features on many solid bodies in the solar system and are of great interest to [[planetary geology|planetary geologists]].<br />
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== Formation ==<br />
Impact craters are formed when a meteorite, [[comet]], or [[asteroid]] collides with the surface of a planet or moon at high speed. This collision releases a large amount of energy, which vaporizes the meteorite and a portion of the surface, creating a shock wave that excavates a large amount of material, forming a crater.<br />
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== Characteristics ==<br />
Impact craters typically have a circular or elliptical shape, with a raised rim and a central peak or ring. The size and shape of the crater depend on the size, velocity, and angle of impact of the meteorite, as well as the geology of the impact site.<br />
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== Classification ==<br />
Impact craters can be classified into two main types: simple and complex. Simple craters are small, with a simple bowl shape. Complex craters are larger, with a central peak or ring and terraced walls.<br />
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== Examples ==<br />
Some well-known impact craters on [[Earth]] include the [[Barringer Crater]] in Arizona, the [[Chicxulub Crater]] in Mexico, and the [[Vredefort Crater]] in South Africa. On other planets and moons, notable impact craters include the [[Tycho (crater)|Tycho Crater]] on the [[Moon]], the [[Hellas Planitia]] on [[Mars]], and the [[Caloris Basin]] on [[Mercury (planet)|Mercury]].<br />
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== See also ==<br />
* [[Meteorite]]<br />
* [[Asteroid]]<br />
* [[Comet]]<br />
* [[Planetary geology]]<br />
* [[Solar System]]<br />
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[[Category:Planetary geology]]<br />
[[Category:Astronomy]]<br />
[[Category:Impact craters]]<br />
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