Antarctic radioactive dating of meteorites

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Cesar Rossi, a mechanical engineer at the University of Naples in Italy, figured out the numbers.

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The best estimates are that an asteroid bigger than about 1/2-2 kilometers could launch rocks like ALH 84001 off Mars and into space.If you prefer, you can make your form double opt-in at anytime.To customize your pop-up form, follow these next steps.We know the composition of the Martian atmosphere, because the Viking Lander spacecraft analyzed it, on Mars, in 1976.The Martian atmosphere is really different from the Earths atmosphere, or Venus, or any other source of gas that has ever been found.

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