A new video of Mars' Matara Crater shows its sinuous dunes in all their elegance. The video comes from NASA's HiRISE camera on the MRO.
This image shows the Matara Crater in context, with the massive, low-elevation Hellas Planitia impact crater to the right in blue. Image Credit: NASA/JPL/ASU/USGS
The floor of the Matara crater is dominated by a massive sheet of sand. Mars’ relentless wind sculpts the top of the sheet into dunes, and the HiRISE camera has catalogued these changing shapes over time. There are more than 100Dunes in Matara crater change as the seasons pass. Carbon dioxide freezes and melts and contributes to changes in the dunes. The HiRISE people highlighted these changes in a separate video a couple of years ago.
Some dunes even help us understand one of the largest issues on Mars: what happened to its water. China’s Zhurong rover found evidence in sand dunes near Mars’ equator showing that liquid water flowed thereThis image of the Matara crater shows the sinuous elegance of its sand dunes. Image Credit: NASA/JPL-Caltech/UArizona
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