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How much mass did the Late Heavy Bombardment add to Mars?

Alessandro Morbidelli has kindly consulted me on this topic. He said: "The late veneer on Mars is approximately equivalent to that of the Earth, from the abundance of highly siderophile elements ...
Michael_1812's user avatar
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5 votes

Extinction Level Event (Asteroid Impact Hypothesis) Likelihood Equation

Knowing that there are X asteroids that could threaten is not in itself useful. What you want to get is a event rate, the probability of something happening per year. One oversimplified way is to ...
Anders Sandberg's user avatar

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