The crew of Artemis 2 reported six flashes of light while passing behind the Moon. We’ve seen those kinds of flashes before.

As the crew passed behind the Moon, from Earth's perspective, they witnessed six flashes of light — small objects hitting the Moon's surface. (Note: The flashes were reported visually; they last less than a tenth of a second so none were captured in the astronauts' photography.)

NASA

Artemis 2 astronauts reported six flashes of light as they circled behind the Moon. But those flashes — marking meteorite impacts — were not unexpected.

Apollo 17 crew saw three lunar impact flashes in 1972, and amateur astronomers on Earth first recorded similar flashes in 1999, during the Leonid meteor shower. Since then, well over 400 such impact flashes have been confirmed.…