Mars Perseverance Sol 1465: WATSON Camera gif

looks like desert varnish 

WATSON autofocus gif

Mars Perseverance Sol 1465: WATSON Camera gif

NASA's Mars Perseverance rover acquired these images using its SHERLOC WATSON camera, located on the turret at the end of the rover's robotic arm.

Images acquired on April 4, 2025 (Sol 1465) at the local mean solar time of 14:23:44 to 14:29:31.

Image Credit: NASA/JPL-Caltech

Assembled by Barley Culiner with GIMP

Mars Perseverance Sol 1465: WATSON Camera gif

NASA's Mars Perseverance rover acquired these images using its SHERLOC WATSON camera, located on the turret at the end of the rover's robotic arm.

Images acquired on April 4, 2025 (Sol 1465) at the local mean solar time of 14:33:58 14:37:02.

Image Credit: NASA/JPL-Caltech

Assembled by Barley Culiner with GIMP

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Biological and organic constituents of desert varnish: Review and new hypotheses https://www.researchgate.net/publication/253348135_Biological_and_organic_constituents_of_desert_varnish_Review_and_new_hypotheses

https://www.nps.gov/articles/desertvarnish.htm

https://en.wikipedia.org/wiki/Desert_varnish

OCCURRENCE OF ROCK VARNISH AT YUNGAY, ATACAMA DESERT, CHILE. https://www.lpi.usra.edu/meetings/lpsc2007/pdf/2251.pdf

Evidence of a microbial community associated with rock varnish at Yungay, Atacama Desert, Chile https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2007JG000677

Life on the Edge: Microbes in Rock Varnish https://www.osti.gov/biblio/1570605

https://en.m.wikipedia.org/wiki/Cyanobacteria

Martian blueberries

https://blogbarley.blogspot.com/2023/05/cyanophyta.html

Cyanobacterial morphology https://blogbarley.blogspot.com/2023/10/blog-post_13.html