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@NASA shared an image of dunes surrounding Mars' northern polar cap this week. The photo has been released to mark the 20th anniversary of the Mars Odyssey orbiter.
http://www.businessinsider.com/mars-nasa-shares-breathtaking-image-sea-of-blue-dunes-2021-4
The photo captures a sea of dunes and wind-sculpted lines surrounding the red planet's frosty northern polar cap.The shot represents an area that is 19 miles wide, NASA said. But the sea of dunes actually covers an area as large as Texas. http://www.businessinsider.com/mars-nasa-shares-breathtaking-image-sea-of-blue-dunes-2021-4
The photo is a false color image, meaning that the colors are representative of temperatures. Blue represents cooler climes, and the shades of yellow mark out "sun-warmed dunes," the US space agency said.
https://www.businessinsider.com/mars-nasa-shares-breathtaking-image-sea-of-blue-dunes-2021-4
The photo is made of a combination of images captured by the Thermal Emission Imaging System instrument on the Mars Odyssey orbiter, NASA wrote. The images were captured during the period from December 2002 to November 2004. https://www.businessinsider.com/mars-nasa-shares-breathtaking-image-sea-of-blue-dunes-2021-4
The Mars Odyssey orbiter is a robotic spacecraft circling Mars that uses a thermal imager to detect evidence of water and ice on the planet.It was launched in 2001, making it the longest-working Mars spacecraft in history. https://www.businessinsider.com/nasa-spot-on-mars-with-ice-where-humans-could-land-2019-12
Last year, NASA's Mars Reconnaissance Orbiter celebrated its 15th anniversary. In the time since it had left earth, the orbiter captured almost 7 million pictures of the red planet.
Here are some highlights from its massive portfolio of photos.
https://www.businessinsider.com/nasa-mars-orbiter-best-images-15th-anniversary-2020-8
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