Science
Glaciers on Mars reveal the Red Planet went through multiple ice ages – BBC Focus Magazine
The glaciers act as a ‘time capsule’ containing a record of the Red Planet’s geological history.
Glaciers that have remained on the surface of Mars for hundreds of million years are revealing secrets of the planets unique geological past. By analysing the patterns and structures of rocks in 45 of the Red Planets glaciers, researchers at Colgate University, New York, have found that Mars underwent between 6 and 20 separate ice ages over the last 300 to 800 million years.
The team made the discovery after painstakingly poring over a series of high-resolution images collected by the Mars Reconnaissance…
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