New evidence for multiple ice ages on Mars | Space
January 26, 2021 Earth has had at least 5 major ice ages. Now it appears Mars – the next planet outward from the sun – has undergone anywhere from half a dozen to 20 ice ages in the past several hundred million years. Glaciers below three craters in the Hellas Planitia region of Mars, now covered by rocky debris (left) and what they might look like if the ice was exposed (right). The image was created using image data from the Context Camera (CTX) on the Mars Reconnaissance Orbiter (MRO) spacecraft combined with results from the Shallow Radar (SHARAD) on MRO and High Resolution Stereo Ca...
Source: earthsky.org
