crater
A crater is a bowl-shaped depression typically formed by the impact of a celestial body. Volcanic eruptions can also create craters. The surfaces of the Moon and Mars are covered with impact craters. Such craters record planetary history.
A crater is a bowl-shaped depression typically formed by the impact of a celestial body. Volcanic eruptions can also create craters. The surfaces of the Moon and Mars are covered with impact craters. Such craters record planetary history.