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View Full Version : Did an Exploding Comet Cause Extinctions 13,000 Years Ago?



Fraser
2007-Aug-15, 05:26 PM
Scientists think they might have the solution to a mystery that's been haunting paleontologists for years: what caused an abrupt period of cooling 13,000 years ago and an extinction of the large mammals. ...

Read the full blog entry (http://www.universetoday.com/2007/08/15/did-an-exploding-comet-cause-extinctions-13000-years-ago/)

antoniseb
2007-Aug-15, 06:36 PM
That sounds like a pretty big comet chunk. Do they have an idea where the highest concentrations of the comet dust are?