Between 18:57:49 UTC and 19:01:11 UTC the Pancam of Opportunity takes three images with narrow band filters in the three basic colors, from which it was possible to obtain this extraordinary true color image of the Martian soil.
Also in this photo, as in the one of the previous Sol (see https://www.facebook.com/PianetaMarte.MdM/photos/a.1625578140858706.1073741828.1612043482212172/1658008487615671/), you can see very interesting colorations between green and green-blue looking very similar to the lichens on Earth.
Obviously the fact that they “look like” lichens does not necessarily mean that they are!
However, I find the photo is still of extreme interest, especially for those who like me follow the studies of Dr Gilbert Levin and his staff.
RGB HD unprocessed (raw) image: https://image.ibb.co/hwJVqS/Oppy_Sol5042.jpg
Original BN images:
Red (735nm with 20nm bandwidth)
14:38:39 LTST https://mars.nasa.gov/mer/gallery/all/1/p/5042/1P575789669EFFD225P2538L2M1.HTML
Green (535nm with 20nm bandwidth)
14:40:16 LTST https://mars.nasa.gov/mer/gallery/all/1/p/5042/1P575789769EFFD225P2538L5M1.HTML
Blue (432nm with 32nm bandwidth)
14:41:56 LTST https://mars.nasa.gov/mer/gallery/all/1/p/5042/1P575789871EFFD225P2538L7M1.HTML
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