In 2001, a team at the Carnegie Institution of Washington reported the surprising finding that the rocks from the Apollo program carried an isotopic signature that was identical with rocks from Earth, and were different from almost all other bodies in the Solar System.
The rocks from the Apollo program carried an isotopic signature. This was what a team at the Carnegie Institution of Washington reported the surprising finding in 2001. This isotopic signature was identical with rocks from Earth. This isotopic signature were different from almost all other bodies in the Solar System.