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An Enormous Arctic Spiral

February 14, 2013

Want to stay on top of all the space news? Follow @universetoday on Twitter Looking south across the southern tip of Greenland, this satellite image shows an enormous cloud vortex spiraling over the northern Atlantic ocean on January 26, 2013. An example of the powerful convection currents in the upper latitudes, these polar low cyclones [...]

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Dry Ice Drives Dramatic Changes on Mars

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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Blue Marble 2012: The Arctic Edition

June 18, 2012

This latest portrait of Earth from NASA’s Suomi NPP satellite puts the icy Arctic in the center, showing the ice and clouds that cover our planet’s northern pole. The image you see here was created from data acquired during fifteen orbits of Earth. Remove this ad

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From the Land of Ice and Snow

October 26, 2011

Views from the window of NASA’s DC-8 reveal sweeping expanses of ice and rock as part of the ongoing 2011 Operation IceBridge survey of Antarctica’s ice cover. Remove this ad

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