Wednesday, August 12, 2009


Evidence of Doom

A beautiful impact crater miles wide, eons old, in Chad. Although most of the Earth is ocean (which leaves less of a trace of impact) and the craters on solid ground are erased by erosion et al. over time, there are dozens of these all over.

This is something worth worrying about (slightly) as opposed to the Doomsday scenario de jour, anthropogenic global warming. Recall that the recent Earth sized impact on Jupiter was a complete surprise to our astronomers.

(h/t Jonah Goldberg)


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