CO2

A Dark and Dusty Avalanche on Mars

by Jason Major November 4, 2013

Want to stay on top of all the space news? Follow @universetoday on Twitter Mars may be geologically inactive but that doesn’t mean there’s nothing happening there — seasonal changes on the Red Planet can have some very dramatic effects on the landscape, as this recent image from the HiRISE camera shows! Remove this ad […]

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Dry Ice Drives Dramatic Changes on Mars

by Jason Major January 25, 2013

Mars may not be tectonically active but that doesn’t mean there’s nothing happening on the Red Planet’s surface. This video from NASA’s Jet Propulsion Laboratory shows the dramatic seasonal changes that take place in Mars’ polar regions when the frozen carbon dioxide — called “dry ice”  – coating the basalt sand dunes begins to thaw […]

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Giant Spiders on Mars!

by Jason Major November 16, 2012

Eek, spiders! All right, so it’s not actually little green arachnids we’re talking about here, but they are definitely spidery features. Called araneiform terrain, these clusters of radially-branching cracks in Mars’ south polar surface are the result of the progressing spring season, when warmer temperatures thaw subsurface CO2 ice. Remove this ad Jason Major on […]

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1981 Climate Change Predictions Were Eerily Accurate

by Jason Major April 6, 2012

A paper published in the journal Science in August 1981 made several projections regarding future climate change and anthropogenic global warming based on manmade CO2 emissions. As it turns out, the authors’  projections have proven to be rather accurate — and their future is now our present. Remove this ad Jason Major on Google+

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Mars’ Underground Atmosphere

by Jason Major April 26, 2011

Scientists have spotted an underground reservoir near Mars’ south pole the size of Lake Superior… except that this lake is filled with frozen carbon dioxide – a.k.a. “dry ice”! A recent report by scientists at the Southwest Research Institute in Boulder, CO reveals variations in Mars’ axial tilt can change how much carbon dioxide gets […]

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