Meteors

For once an asteroid strikes when we were kinda, sorta expecting one to.  According to the Washington Post, the Russian Academy of Sciences "estimated that the meteor weighed around 10 tons and was traveling at 10 to 12 miles per second (roughly 30,000 to 45,000 mph) when it disintegrated."  The same report estimates that more than 1,200 people were injured by the blast in the Russian city of Chelyabinsk, 900 miles east of Moscow.  Based on video of the event, on Dynamics of Cats, Steinn Sigurðsson says it "looks like a fairly slow shallow angle impact, detonating with kiloton++ energy below…