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Weird 'blue' dunes speckle the surface of Mars in NASA photo - Space.com

Weird 'blue' dunes speckle the surface of Mars in NASA photo - Space.com

Weird 'blue' dunes speckle the surface of Mars in NASA photo - Space.com
Apr 14, 2021 52 secs

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 image depicts an area about 19 miles (30 kilometers) wide, but the total scope of dunes at Mars' northern polar cap stretches out much farther, covering an area the size of Texas. .

From the polar region depicted in this image to the floors of craters and more, Mars' dunes are fascinating features on the planet's surface!

While NASA released the new image April 8, it is composed of images captured from December 2002 to November 2004 by the THEMIS (Thermal Emission Imaging System) instrument on board NASA's Mars Odyssey orbiter!

The image is part of a set of photos released recently to celebrate the 20th anniversary of Odyssey, which launched on April 7, 2001 and began observing Mars in October of that year. .

The craft's primary mission has been to study Mars' environment and collect data to inform and protect future Mars missions.

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