February 15, 2013

What if the Asteroid Actually Hit Earth Today?

Jesus Diaz, Gizmodo

AP Photo

Astronomers are completely confident that the 150-foot-wide asteroid 2012 DA14 is not going to hit us, passing "only" at 17,200 miles from Earth—the closest encounter with an asteroid ever predicted. It's a close call, but we will be safe. But then again, a meteorite just exploded in Russia. So what would really happen if their calculations are wrong? To answer this, first we should find out how much energy 2012 DA14 could release if it crashed into our planet.

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TAGGED: Nuclear Bomb, Astronomy, Asteroids


October 15, 2013
Star Axis: Worshipping the Night Sky
Ross Andersen, Aeon Magazine
I followed Ross and O’Bryan in my car, down to the desert floor and then to the top of an adjacent mesa. We parked in front of their makeshift ranch house and headed inside, being careful to step around a six-foot... more ››