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Saturn's hexagon atmospheric phenomenon

An unusual structure with a hexagonal shape surrounding Saturn's north pole was spotted on the planet for the first time thirty years ago. Nothing similar with such a regular geometry had ever been seen on ...

dateApr 09, 2014 in Space Exploration
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In the eye of the beholder

Astrobiologists are developing 'intelligent' instruments that could help future robotic explorers make their own decisions about where and how to collect data. Although focused on Mars exploration for the ...

dateJan 24, 2014 in Space Exploration
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Weighing the Antarctic ice sheet

One of the last big unknowns in the global climate equation is Antarctica. How stable is the Antarctic ice sheet? More than a mile thick, on average, it locks up 70 percent of the Earth's fresh water.

dateSep 27, 2013 in Earth Sciences
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