scar on the earth's surface from meteorite impact
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http://phrontistery.info/a.html
(from Greek astron, blema, `star wound`), remains of an ancient meteorite-impact structure on the Earth`s surface, generally in the form of a ... [3 related articles]
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http://www.britannica.com/eb/a-z/a/116
Manicougan Crater, Quebec, Canada An eroded impact crater on Earth of which about 150 are known. Among the largest are the 200-km-wide Sudbury Crater in Ontario, Canada, and the 180-km-wide Chicxulub Crater which extends into the Gulf of Mexico. While some astroblemes are almost 2 billion years...
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http://www.daviddarling.info/encyclopedia/A/astrobleme.html
An ancient circular scar on Earth's surface produced by the impact of a meteorite or comet. Use our
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http://www.encyclo.co.uk/local/22392
A circular erosional feature that has been ascribed to the impact of a meteorite or comet.
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http://www.scientificpsychic.com/etc/geology-glossary.html
A terrestrial crater over 10km in diameter formed by the impact of an extraterrestrial body.
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https://www.encyclo.co.uk/local/20501
an erosional scar on the earth's surface, produced by the impact of a cosmic body, as a meteorite or asteroid. Cf. crater (def. 2).
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https://www.infoplease.com/dictionary/astrobleme
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