In 1971, Apollo 15 astronauts found a white rock later identified as part of the Moon's ancient crust; the "Genesis rock" was estimated to be around four billion years old

In August 1971, Apollo 15 astronauts picked up a rock with lots of crystals on the Moon. Scientists later found out that this rock was part of the Moon's first layer. This rock got the nickname "Genesis rock." It was estimated to be four billion years old. According to NASA, Scott's radio transmission was relayed directly to Mission Control as it happened.

The moment it happened