Autor Thema: New study uses meteorites to date moon-forming impact  (Gelesen 546 mal)

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New study uses meteorites to date moon-forming impact
« am: April 25, 2015, 11:21:49 vorm. »
Not too long after the planets began forming, a Mars-sized object slammed into Earth, creating the debris that would later coalesce into the moon. Some of the debris from this giant impact escaped all the way out to the asteroid belt. Collisions there left shock-heating signatures—a permanent record of the impact event—that can still be detected billions of years later in meteorites that have fallen to Earth....

https://www.hawaii.edu/news/2015/04/23/new-study-uses-meteorites-to-date-moon-forming-impact/

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