What etched these strange gullies on Mars into the sand? https://earthsky.org/space/gul....lies-on-mars-co2-ice
Discover the world at Altruu, The Discovery Engine
Discover the world at Altruu, The Discovery Engine
What etched these strange gullies on Mars into the sand? https://earthsky.org/space/gul....lies-on-mars-co2-ice