A large streak of 'blue' was found on the Red Planet

A large streak of 'blue' was found on the Red Planet  CNN NASA releases striking image of blue sand dune on Mars  Palm Beach Post NASA Releases Image Of Blue Sand Dune On Mars  WSOC Charlotte Mars Dunes | USGS Astrogeology Science Center  USGS Astrogeology Science Center Here's the Story Behind the Mesmerizing Blue Sand Dune NASA Snapped on Mars  InverseFull coverage

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