Asteroid likely caused global fires, which led to extinctions

From the AGU: Global fires after the asteroid impact probably caused the K-Pg extinction About 66 million years ago a mountain-sized asteroid hit what is now the Yucatan in Mexico at exactly the time of the Cretaceous-Paleogene (K-Pg) mass extinction. Evidence for the asteroid impact comes from sediments in the K-Pg boundary layer, but the…

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A problem that is bigger than global warming

In light of what happened yesterday, this story is even more relevant now. It was written before the meteor event in Russia. Asteroid 2012 DA14 makes its closest approach at 2:24 p.m. EST/1924 GMT today. One wonders if yesterday’s meteor in Russia wasn’t some parts of the asteroid fragmented in a deep space collision eons…

Asteroid blows past Earth in near miss

From ChicoEr.com Flying close enough to Earth that in astronomic terms one could feel the breeze as it passed, a small asteroid flashed by just after midnight today. NASA reported the space rock, with the unimaginative name of 2012 KT42, was just 8,700 miles above the atmosphere when it went by. While the asteroid’s approach…

Something more worrisome than global warming

Story Submitted by Mike Bromley ASTEROID FLYBY: – Asteroid will pass 12, 000 Km (7,500 miles) from Earth Newly-discovered asteroid 2011 MD will pass only 12,000 kilometers (7,500 miles) above Earth’s surface on Monday June 27 at about 9:30 a.m. EDT. NASA analysts say there is no chance the space rock will strike Earth. Nevertheless,…