Sentences with phrase «meteorite impact glass»
Not exact matches
The glass itself, one large polished piece of which has a prominent place in a necklace that belonged to Egyptian pharaoh Tutankhamen, has been dated to 28.5 million years and has long been thought to be the result of a meteorite impact or an airburst caused by a comet breaking up in Earth's atmosphere.
http://www.sciencemag.org/
With the origin of life on Earth believed to have coincided with a period of increased impact flux, the idea that meteorite - formed glass might provide a prevalent, viable habitat for microbes could have a significant «impact» on our understanding of how early life developed.