A SpaceX rocket has crashed into the Moon, giving scientists a new chance to learn more. The new hole on the Moon's surface is helping scientists study space junk and what happens when things crash into the Moon. The South Korean Danuri lunar orbiter took pictures of the new crater, which is helping scientists learn more about the Moon's surface and space junk. Space junk is made up of things people have left in space, which can stay there for a long time and hurt other spacecraft or planets. The SpaceX rocket was the upper stage of a Falcon 9 rocket that was left in space and pulled towards the Moon by gravity. Scientists think that the growing amount of junk in space could make it harder to explore space in the future. They believe that planning what to do with old spacecraft after they finish their jobs could help prevent more junk from building up in space.