Showing posts with label National Autonomous University of Mexico. Show all posts
Showing posts with label National Autonomous University of Mexico. Show all posts

18 October 2011

Billion Tonne Comet May Have Missed Earth By A Few Hundred Kilometres in 1883

Billion Tonne Comet May Have Missed Earth By A Few Hundred Kilometres in 1883
Technology Review
October 17, 2011
A re-analysis of historical observations suggest Earth narrowly avoided
an extinction event just over a hundred years ago...
http://www.technologyreview.com/blog/arxiv/27264/