December 6, 2021

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Weird ‘blue’ dunes speckle the surface of Mars in NASA photo

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What might look like a scene from a science fiction film is actually a real-life image of dunes speckling the surface of Mars

The gorgeous photo from NASA’s Odyssey orbiter released April 8 reveals the extreme and varying temperatures in a sea of dunes at Mars’ northern polar cap, which are formed into long and weaving lines by winds over time. The Red Planet does not actually have blue patches; the blue regions in this false-color image represent colder areas, and warmer features are seen as a yellowish-orange color, NASA officials said.



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