“Don't wake me for the end of the world unless it has very good special effects.” -Roger Zelazny
It's always the ones you least expect that get you the worst, it seems. I went to bed last night excited that Asteroid 2012 DA14, a 200,000 ton asteroid, was going to pass within just 28,000 km (or 17,000 miles) of Earth's surface, which would make it the closest pass of an asteroid that large that we've ever observed.
Image credit: NASA / JPL Near-Earth Object Program Office.
I thought that would be the best way to celebrate today, which would be Galileo's 449th birthday. After all, it was…
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