NASA's Perseverance captures panoramic view of Martian ridges


Washington, Oct 18 (IANS): NASA's Perseverance rover has clicked a panorama view of the "South Seitah" region of Mars' Jezero Crater, offering clues to the area's mysterious past.

Composed of 84 individual enhanced-colour images that were later stitched together, the mosaic was taken on September 12 (the 201st Martian day, or sol, of the mission) by the Mastcam-Z camera system as the rover was parked on an elevated overlook just outside its entry point into South Seitah, NASA said in a statement.

The mosaic was taken at the highest magnification and stretched to allow subtle colour differences in the rocks and soil to be visible to the naked eye. Left of centre and halfway up the image are the gray, darker gray, and Swiss-coffee-coloured rocky outcrops of the ridge nicknamed "Faillefeu" (after a medieval abbey in the French Alps).

"This panorama is spectacular because you feel like you are there. It shows not only the incredible scale of the area, but also all the exploration possibilities South Seitah has to offer. With multiple intriguing rocky outcrops and ridgelines, each one is seemingly better than the last. If it's not a field geologist's dream, it's pretty close," said Jorge Nunez, an astrobiologist and planetary scientist working on the science team of NASA's Perseverance rover.

The distinctly thin, at times tilted layering evident in several of Faillefeu's rocks would have been high on the science team's list of things to explore, because tilted layering suggests the possibility of tectonic activity.

But similar features -- along with other compelling geology -- were visible on another ridgeline that the mission's science team opted to explore instead.

The "Martre Ridge" (named after a commune in southeastern France) is like Faillefeu except three times as big. It contains not only low-lying flat rocks near the base of the ridge, but also rocky outcrops with thin layering at the base and massive caprocks near and at the ridge's peak.

The caprocks are usually made of harder, more resistant material than those stacked below them, suggesting potential differences in how the material was deposited.

"Another cool thing about this image is that one can also see in the background, on the right, the path Perseverance took as it made its way to South Seitah," Nunez said.

"And finally, there is the peak of 'Santa Cruz' far in the distance. We're currently not planning on going there; it's too far out of our way. But it is geologically interesting, reinforcing just how much great stuff the team gets to pick and choose from here at Jezero. It also looks cool," he added.

The Mars 2020 Perseverance mission is part of NASA's Moon to Mars exploration approach, which includes Artemis missions to the Moon that will help prepare for human exploration of the Red Planet.

 

  

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Title: NASA's Perseverance captures panoramic view of Martian ridges



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