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Ancient micrometeoroids carried specks of stardust, water to asteroid 4 Vesta

Written by  Tuesday, 09 June 2020 07:59
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St. Louis MO (SPX) Jun 10, 2020
The formation of our solar system was a messy affair. Most of the material that existed before its formation - material formed around other, long-dead stars - was vaporized, then recondensed into new materials. But some grains of that material, formed before the sun's birth, still persist. These "stardust" grains arrived on Earth inside primitive meteorites. New Washington University in St

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