17. An Extraordinary Find • Earth.com

David Kring is a moon geologist at the Lunar and Planetary Institute in the Texan city of Houston. He is also the author of the Big Bertha research, which was published in Earth and Planetary Science Letters in January 2019. According to Science, Kring said, “It is an extraordinary find that helps paint a better picture of early Earth and the bombardment that modified our planet during the dawn of life.”

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