Private venture wants to keep its wary eye out for asteroid

So, the world did not end Friday because of an asteroid blast or any of the other calamities imagined to be predicted by the ancient Mayan calendar.But some say a serious asteroid strike is just a matter of time, and we should be ready.


For evidence of what might come, see the 1908 “Tunguska event” in Siberia, said Ed Lu, a former shuttle and International Space Station astronaut who heads the nonprofit B612 Foundation (the name references the asteroid home from “The Little Prince.”)

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