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Tag Archives: asteroids
Asteroids from a martian mega-impact?
Like evidence left at a crime scene, the mineral olivine may be the clue that helps scientists piece together Mars’s possibly violent history. Could a long-ago giant impact have flung pieces of Mars throughout our inner solar system? Two researchers … Continue reading
Posted in Reports
Tagged asteroids, giant impacts, impacts, Mars trojan asteroids, olivine
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Curiosity images planets, asteroids, Mars moons
A new image from NASA’s Curiosity Mars rover is the first ever from the surface of Mars to show an asteroid, and it shows two: Ceres and Vesta. These two — the largest and third-largest bodies in the asteroid belt … Continue reading
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
Posted in Reports
Tagged asteroid belt, asteroids, cratering rate, craters, dating, impacts, meteorites, Moon, Moon-Mars cratering scaling factor
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