Mars was this water-based planet, and we know there was stable water on the surface for a long time,... - Ellen Stofan Quotes from quotely.org
Mars was this water-based planet, and we know there was stable water on the surface for a long time, which is critical for life having a chance to develop. by Ellen Stofan

Mars was this water-based planet, and we know there was stable water on the surface for a long time, which is critical for life having a chance to develop.

Ellen Stofan