mars crater

The Korolev Crater in the northern lowlands of Mars is nearly 51 miles across and filled with ice. The photo was created from several images captured by the Mars Express spacecraft as it orbited the planet in April.

Science

Huge Martian Crater 'Korolev' Appears Topped With Miles Of Pristine Snow

6:11pm December 21, 2018

by Denise Couture

The European Space Agency's new images show a 51-mile-wide ice-filled depression in the surface of Mars caused by the impact of a meteorite or other celestial body.