Jumat, 25 Januari 2019

Apollo Astronauts May Have Found the Oldest-Known Earth Rock on the Moon

A chunk of material brought back from the moon by NASA astronauts in 1971 harbors a 4-billion-year-old piece of Earth that was blasted off our planet by a long-ago impact, a new study suggests.

from Live Science http://bit.ly/2S2mqDW
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