Orpington Astronomical Society

Astronomy => In the Media... => Topic started by: Whitters on Apr 08, 2005, 07:28:00

Title: Explosions in Space May Have Initiated Ancient Extinction on
Post by: Whitters on Apr 08, 2005, 07:28:00
http://www.spaceref.com/news/viewpr.html?pid=16574
Title: Explosions in Space May Have Initiated Ancient Extinction on
Post by: Rick on Apr 08, 2005, 21:36:00
Interesting to compare that story with this one:

A detailed and extensive new analysis of the fossil records of marine animals over the past 542 million years has yielded a stunning surprise. Biodiversity appears to rise and fall in mysterious cycles of 62 million years for which science has no satisfactory explanation.

http://www.lbl.gov/Science-Articles/Archive/Phys-fossil-biodiversity.html