Here's your first look at what scientists think is the biggest chunk of the Chelyabinsk meteor, which crash-landed in the Chebarkul Lake in February, injuring as many as 950 people. "They weighed it using a giant steelyard balance," the AP tells us, "which displayed 570 kilograms (1,256 pounds) before it broke." [image by Alexander Firsov via AP]
Here's the First Photo of the Big Meteoroid that Crashed in Russia