"As asteroids hit the moon, they create craters. On earth the craters get worn down by rain and wind. On the moon there is no atmosphere or rain, so the craters take a lot longer to get filled in with dust"@en . . . "Why is moon covered with craters"@en . . "As asteroids hit the moon, they create craters. On earth the craters get worn down by rain and wind. On the moon there is no atmosphere or rain, so the craters take a lot longer to get filled in with dust"@en .