Tag Archives: cratering rate

Recently formed crater clusters on Mars

[Editor’s note: From a paper by Ingrid Daubar and three co-authors recently published in the Journal of Geophysical Research.] Recently Formed Crater Clusters on Mars • We report on properties of new dated crater clusters on Mars; most clusters in … Continue reading

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HiRISE: Aging with impacts

Mamers Valles is a long (approximately 1000 kilometers) sinuous canyon beginning in Arabia Terra and ending in the Northern lowlands of Deuteronilus Mensae. This image features the southern facing slope of the canyon wall. The northern half (top) has a … Continue reading

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When did water flow in Gale Crater?

The Mars Science Laboratory rover Curiosity, sent to find habitable environments, landed in Gale Crater on the far end of an alluvial fan. This fan spreads south across Gale’s floor from the north rim. It is built from sediments washed … Continue reading

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HiRISE image: spectacular new impact crater

Context Camera (CTX) images showed a likely new impact crater formed at this location between July 2010 and May 2012, and now a HiRISE image provides details about this recent impact event. Our image shows a large, rayed blast zone … Continue reading

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How often does Mars get whacked?

Or — to pose this question more usefully — what’s the rate of crater-making impacts on Mars as compared to, say, the Moon? Why the Moon? Because it’s the one extraterrestrial body for which scientists have both a long visible … Continue reading

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