The glaciers that still remain on the surface of Mars allow us to know much more about the red planet.
They have been frozen for more than 300,000,000 years.
The glaciers of Mars allow us to know much more about the planet | Video | CNN
1/21/2021, 10:50:03 PM
The glaciers that still remain on the surface of Mars allow us to know much more about the red planet. They have remained frozen | World | CNN