- Earth's oldest impact crater found in Greenland: 'An asteroid 30 kilometres across smashed into Greenland three billion years ago, creating a crater that was once 25 kilometres deep and 600 kilometres wide.' http://www.newscientist.com/article/dn21996-earths-oldest-impact-crater-found-in-greenland.html 30 comments science
Linking pages
- The supposedly oldest impact crater on Earth isn't a crater after all https://massivesci.com/articles/greenland-crater-maniitsoq-magma-zircon-isotopes-mistakes/ 4 comments
- Issue No. 50 | The Orbital Index http://orbitalindex.com/archive/2020-02-06-Issue-50/ 1 comment
- Issue No. 50 | The Orbital Index http://orbitalindex.com/archive/2020-02-06-Issue-50/?hn= 0 comments
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