Scientists will release details at a meeting in Mexico soon. They believe, from sedimentary evidence that a comet exploded on or over North America, wiping out most life, causing a great fire, melting giant ice sheets, interfering with ocean currents, and ultimately contributing to a 1,000 year cooling in Europe and the Middle East of Asia.
Read
Monday, May 21, 2007
New comet theory
Subscribe to:
Post Comments (Atom)
0 comments:
Post a Comment