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Did early impacts affect Earth?

A recent study published in the Proceedings of the National Academy of Sciences takes a critical look at the Late Heavy Bombardment hypothesis, a theory resulting from study of lunar samples returned by the Apollo missions.

Apollo sampling
Spring-loaded tongs were used by the Apollo astronauts to collect small rock samples. Photo credit: NASA

You can read more about the study in New Scientist here, and The Atlantic here, including comments from Center from Meteorite Studies Director Meenakshi Wadhwa!

Read the full article, "Illusory Late Heavy Bombardments", here!