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Badlands on the floor of a Martian crater

17 Sep 2021, 20:27 UTC
Badlands on the floor of a Martian crater
(200 words excerpt, click title or image to see full post)

Click for full image.

Cool image time! The photo to the right, rotated, cropped, and reduced to post here, shows one small section of a 30-mile-wide unnamed crater in the cratered equatorial regions of Mars northeast of Hellas Basin. Taken on July 21, 2021 by the high resolution camera on Mars Reconnaissance Orbiter (MRO), the science team labeled merely as “Rocky crater fill.”
Being at 17 degrees south latitude, there shouldn’t be any ice features in this crater, and the high resolution image to the right seems to confirm this. All we see is an endless plain made up of innumerable small sharp rock ridges interspersed with small low areas filled with sand dunes. This is bed rock, and if its strange stucco-like appearance was caused by a past glacial era, that era is long gone.
Below is a mosaic showing the entire crater, created from two MRO context camera images.

Click here and here for original photos.

The original images were rotated, cropped, and reduced to post here. The white box marks approximately the area covered by the photo above, though the lack of distinct features makes it difficult to place that box precisely.
At first glance the multi-circular ...

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