The asteroid buzzed by Earth Monday, though only real astronomy geeks in the Pacific would have noticed.
The rock, estimated to be no more than 200 feet wide, zoomed past our planet at an altitude of 40,000 miles at 1:44 p.m. universal time — or 8:44 EST.
Dubbed 2009 DD45, it was discovered only last Friday by Australian astronomers.
Had 2009 DD45 hit the Earth, it would have exploded on or near the surface with the force of a large nuclear blast — not very reassuring when you consider humanity had only about three days’ notice.
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