10 things MESSENGER will be remembered for
Later in April, one of the most successful NASA missions will come to an explosive close. Scientists and engineers at the NASA Applied Physics Laboratory at Johns Hopkins University will accelerate th…
geochemistry
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The violent history of the Chelyabinsk meteorite
The Copernican May 22, 2014 With the second largest air burst recorded in history, a meteorite exploded over the southern Ural region of Russia in February 2013 and crashed near the city of Chelyabin…