Samples from a Wild comet reveal a surprising past

Eighteen years after NASA’s Stardust mission returned to Earth with the first samples from a known comet, the true nature of that icy object is coming int

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Ryan Ogliore , Chris Woolston , Arts Sciences At Washington University In St , Washington University , Newswise , Pace Space Sciences Planetary Science Physics And Astronomy Meteorite Asteroid Comet , Washington University In St Louis ,