A strange meteorite from Sweden is a new kind of space rock never before seen on Earth, a study reports. The baseball-sized gray blob could be the long-sought "other half" of an asteroid belt collision 470 million years ago.
A strange meteorite from Sweden is a new kind of space rock never before seen on Earth, a study reports. The baseball-sized gray blob could be the long-sought "other half" of an asteroid belt collision 470 million years ago.