It’s widely believed that Earth’s moon is 4.35 billion years old, an estimated age based on lunar samples brought back to Earth. However, a new study published this week in Nature suggests that scientists might be off on their current estimate. A new calculation indicates that the moon could be 100 million years older.
In the paper, scientists propose that the moon underwent a "remelting" 4.35 billion years ago due to a tidal pull of the Earth. As a result, this caused geological upheaval and intense heating essentially resetting the age of the lunar rock, disguising the true age of lunar samples.
