ABC News: Mars Rock Might Reveal Clues to Planet’s Ancient History

abcnewsHarry McSween, Chancellor’s Professor in the Department of Earth and Planetary Sciences, talked to ABC News about a meteorite estimated to be 4.4 billion years old that may hold some of the clues to Mars’ early history. “Most meteorites from Mars that have been officially recognized are relatively young, formed within the last quarter of Mars’ history,” McSween said. “This one is almost as old as Mars itself.” The ancient rock was found in northwestern Africa and has been dubbed NWA 7533.

 

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