Earth, Venus, and Mars are neighbors in the solar system. They’re also about the same size.
Billions of years ago, Venus and Mars may have had rivers, lakes, and even oceans. What happened? Water on Venus and Mars was lost to space, due in part to the direct impact of solar wind. Earth’s magnetic field, however, protects it from solar wind. Only Earth has the proper atmosphere and distance from our Sun to preserve water and sustain life.
