Space junk on 5,800-mph collision course with moon

Impact craters cover the surface of the moon, seen from Berlin, Germany, on Jan. 11. (AP Photo/Michael Sohn, File)

CAPE CANAVERAL, Fla. — The moon is about to get walloped by 3 tons of space junk, a punch that will carve out a crater that could fit several semitractor-trailers.