What To Do About an Asteroid That Has a 1 In 625 Chance of Hitting Us In 2040?

? ? That would depend on what it's made of. If it's a dirty snowball (mostly ice, with some small rock debris), it'd fall apart when it hit the atmosphere, and make for a pretty light show.

? ? We've identified what we believe to be other rarer objects. Say it was a chunk of something like BPM 37093. I suspect that would be dangerous on reentry. I'm not a geologist, so I won't attempt to guess what would happen to it. Would it shatter, melt, or remain one relatively solid mass the whole way down.

? ? If so, I don't think it would be an ELE. Tragic? Possibly, depending on where it hit. Catastrophic? probably not. Despite the way things look in population centers, there are vast areas of relatively uninhabited land around the world. If it hit the water, it may cause a tsunami wave. Depending on where that wave makes landfall, it could disrupt anywhere from dozens to millions of people.

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/WsEjHnEXy3w/what-to-do-about-an-asteroid-that-has-a-1-in-625-chance-of-hitting-us-in-2040

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