On Thursday, NASA released a stunning photo of a sea of dunes on Mars.
It also shows wind-sculpted lines surrounding Mars' frosty northern polar cap.
The section captured in the shot represents an area that is 31 kilometers (19 miles) wide, NASA said. The sea of dunes, however, actually covers an area as large as Texas.
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 wrote.
Sea of dark dunes surrounds Mars' northern polar cap.(NASA/JPL-Caltech/ASU)
The photo is made of a combination of images captured by the Thermal Emission Imaging System instrument on the Mars Odyssey orbiter, NASA wrote.
Captured during the period from December 2002 to November 2004, the breathtaking images have been released to mark the 20th anniversary of Odyssey.
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.
This article was originally published by Business Insider.
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