mercredi 29 janvier 2014

How Much Should We Really Worry About Asteroids?

Asteroid-one1




Tracking asteroids and patrolling the skies is a fascinating field — one that blends traditional science with the imagination-capturing realm of space rocks. The tales we heard in a story we published on Tuesday were compelling, inspiring and downright eerie. And the discussions aren't over just yet


In a Google Hangout on Wednesday, we'll be joined by Dr. Denton Ebel, curator of meteorites at the Museum of Natural History in New York City; Tim Spahr, director of the Minor Planet Center (MPC) in Cambridge, Mass.; and Sergey Khaibrakhmanov, a Ph.D. candidate in physics and witness to the meteorite that exploded above Chelyabinsk, Russia, in February Read more...


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