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Tag Archives: astrogeology

Ice Age on Mars: how it started and ended

17 Wednesday Oct 2012

Posted by sedeer in Astronomy, Climate, Complex systems

≈ 5 Comments

Tags

astrogeology, geomorphology, ice age, mars, Mars Orbiter Laser Altimeter, Moon, NASA, planets, Polar ice cap, Popular science, science, Solar System

An illustration of what Mars might have looked like during an ice age between 2.1 million and 400,000 years ago, when Mars' axial tilt is believed to have been much larger than today. This illustration was prepared for the cover of the December 18 2003 issue of the journal Nature. (Image credit: Wikipedia)One of the great things about working at a university is the opportunity to go to talks and learn about all kinds of interesting subjects from experts. As a biologist, I don’t usually hear much about Mars and astrogeology in my daily life, but I had the pleasure and privilege of attending a talk by Professor Victor Baker earlier this week. During his visit to Helsinki, Professor Baker lectured about the geological history of water on Mars. Though this is well outside my area of expertise, I hope to share some of the amazing things I learned, starting with a story about the recent ice age on Mars and the astonishing mechanism behind it.

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All text and original images by Sedeer El-Showk. Licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.

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