Craters

There are many craters on the moon.

Mercury is covered in craters.

Mercury and the Moon are both covered in impact craters.

Mercury has a lot of impact craters.

Astronomers are studying Mercury's impact craters.

Mercury has craters everywhere.

The surface of Mercury is covered in impact craters.

Mercury's craters have corners where the sun never shines.

Mercury has water ice in the darkest corners of its craters.

Mercury is the planet with the most craters in the Solar System.