Wednesday, October 30, 2013

‘Shockwave Of Fire’ Rained Down After Old Comet Strike On Earth, Scientists Say

‘Shockwave Of Fire’ Rained Down After Old Comet Strike On Earth, Scientists Say:

Artist's conception of a comet exploding in the Earth’s atmosphere above Egypt. Credit: Terry Bakker
‘Shockwave Of Fire’ Rained Down After Old Comet Strike On Earth, Scientists Say
Artist’s conception of a comet exploding in the Earth’s atmosphere above Egypt. Credit: Terry Bakker
Speak about destruction. A comet slammed into Earth’s atmosphere 28 million years ago and basically killed everything with fire below, leaving a huge deposit of yellow silica glass in its wake, a team of astronomers say.
The evidence — a black pebble found by an Egyptian geologist within this vast tract of glass — is believed to be a part of the comet’s nucleus or heart and not just an ordinary meteorite. The team says this could be the first hard evidence, so to speak, of a comet striking Earth.
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Read the rest of ‘Shockwave Of Fire’ Rained Down After Old Comet Strike On Earth, Scientists Say (227 words)

© Elizabeth Howell for Universe Today, 2013. |Permalink |One comment |
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