Tunguska, Siberia in 1908 is so very close to being repeated yet all is calm. Fortunately we have supercomputers these days. Still... I hope the NASA engineers didn't forget to program the conversion from miles to kilometers.
It has started
MOSCOW (AP) — A meteor that scientists estimate weighed 10 tons (11 tons) streaked at supersonic speed over Russia's Ural Mountains on Friday, setting off blasts that injured some 500 people and frightened countless more.