One of the Artemis 2 mission's stunning moon views. (Image credit: NASA) The Artemis 2 astronauts remained vigilant while zipping around the far side of the moon last month, on the ready to record meteoroid impact flashes on the lunar landscape. Their diligence was rewarded. The four crewmembers reported seeing several impact flashes — flickers of light created when a meteoroid hits the lunar surface and vaporizes. Citizen scientists help out Artemis 2 , the first crewed moon flight since Apollo 17 in 1972, launched from Florida's Space Coast on April 1 and flew around the far side of the moon on April 6 . As the astronauts scrutinized the moon that day, so did citizen scientists here on Earth. They were also looking for impact hits, although they would likely not have spotted the same ones as the crew.…