CNN CNN Saturday Morning March 9, 2013 16:24:00
If . it's happening again. a space rock is passing us, 2.5 times the distance of the earth to the moon, how far away it is. i asked what it might mean to us earthlings? >> these things happen all the time. we're able to see them better so we're seeing more of them. but objects -- well, let of meteors are hitting the earth every second. about 100 tons worth of material is falling on the earth every day. this one meteor that went over russia was a rare event. once every century. the asteroid that we're now seeing, i think it's about a million tons. that kind of object impacts on the earth abou...
Source: archive.org