What part of a space rock survives all the way to the ground?

Meteorites from the backside of asteroid 2008 TC3 as Jenniskens found them on the ground in the Nubian Desert of Sudan. Credit: P. Jenniskens/SETI Institute/NASA Ames Research Center When a small asteroid enters Earth’s atmosphere from space, its surface is brutally heated, causing melting and fragmenting. Therefore, why the rocks near the surface survive to … Read more