Geochemist Richard Carlson of the Carnegie Institution of Washington says that the moon is about 100 million years younger than previously thought. Even though the moon is our closest neighbor, we still don’t know exactly how or when it formed. While most scientists are interested in the “how,” Carlson’s intrigued with the “when?” He puts it at 4.4 billion to 4.45 billion years old based on radioactive dating of lunar rocks returned by the Apollo Moon missions.
[ Read the Article: New Evidence Indicates Moon Is 100 Million Years Younger Than Thought ]
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