We wish we could be more reassuring about the whole asteroid-collision-wiping-out-all-life-on-Earth thing, but no can do. Just ask the dinosaurs. The pipsqueak pebble that flew by Earth today, missing us by a 7,600-mi. (12,000 km) whisker (in space, that’s tiny) was never going to do us much damage. First of all, multiple tracking systems operated
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Incoming Asteroids: They’re Here, They’re Near, Get Used to Them