A long-lost moon could explain Mars' weird shape and extreme terrain

Science

A Long-Lost Moon Could Explain Mars' Weird Shape And Extreme Terrain

By Livescience.com

This mosaic of Mars is composed of about 100 Viking Orbiter images. The images were acquired in 1980 during mid-northern summer on Mars. A long-lost moon could explain why Mars is so different from the other rocky planets in the solar system. Today, ...Read more