File:Sand Dunes near the North Pole (52886912449).jpg
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Original file (10,240 × 4,310 pixels, file size: 20.48 MB, MIME type: image/jpeg)
Captions
Captions
This HiRISE image shows some large sand dunes near the North Pole of Mars.
Summary
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| Description |
English: This HiRISE image shows some large sand dunes near the North Pole of Mars. The picture was taken in Martian summertime, with only small patches of ice remaining at the surface: this show up as bright, somewhat blue, spots on slopes that provide some shading from the sun.
Geologists would classify these dunes as “sand-starved” because the ground between the dunes has almost no sand. This ground shows a pattern of cracks that is typical of icy permafrost that undergoes seasonal expansion and contraction. It is also possible that this subsurface ice exists inside the dunes. If so, the dunes are not currently moving, being “stabilized” by this ice. Image cutout is less than 1 km (under a mile) top to bottom and the spacecraft altitude was 317 km (197 mi). For full observation details including images with scale bars, visit the source link. NASA/JPL-Caltech/Arizona |
| Date | Taken on 10 May 2023, 09:18:24 |
| Source | Sand Dunes near the North Pole |
| Author | UAHiRISE (NASA) |
| Flickr set | HiRISE 10K |
| Flickr tags | nasa; uarizona; mars; jpl; lpl; geology; landscape |
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This media is a product of the Mars Reconnaissance Orbiter mission Credit and attribution belongs to the High Resolution Imaging Science Experiment (HiRISE) team, NASA/JPL-Caltech/Univ. of Arizona |
Licensing
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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This image was originally posted to Flickr by UAHiRISE (NASA) at https://flickr.com/photos/71688597@N05/52886912449. It was reviewed on 25 June 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-zero. |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:33, 25 June 2023 | | 10,240 × 4,310 (20.48 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://live.staticflickr.com/65535/52886912449_826ce10daf_o.jpg via Commons:Spacemedia |
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