New study suggests the Moon is over 100 million years older than previously believed.

A new study published in Nature suggests that the Moon may be over 100 million years older than previously thought, potentially dating back to around 4.51 billion years ago. Researchers from the University of California, Santa Cruz, propose that the Moon experienced a dramatic "re-melting" event around 4.35 billion years ago due to tidal heating caused by Earth's gravity. This process would have altered the Moon's surface and reset the age of lunar rocks, making the Moon appear younger than it actually is. The findings challenge the longstanding belief that the Moon formed 4.35 billion years ago following a collision with a Mars-sized object.

3 months ago
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