Researchers at Princeton University and the University of California-Los Angeles have found that the moon is at least 4.51 billion years old, or 40 million to 140 million years older than scientists previously thought.
Princeton Weekly Bulletin
Researchers at Princeton University and the University of California-Los Angeles have found that the moon is at least 4.51 billion years old, or 40 million to 140 million years older than scientists previously thought.