Perseverance rover data reveals the secrets of Jezero Crater

The Perseverance rover has made very interesting discoveries in the place where it is located exploring Mars, the crater of Jezero. What was found is important to help understand more about this region and its geological history.

The two main discoveries have to do with the presence of water in the rocks, the beginnings left and the organic molecules found. After all, was there a vast ocean on the planet or not?

New evidence for the existence of water in the soil of Mars
These organic molecules can be created through biological or non-biological processes, so they are not a confirmation that life existed there, but they are a good sign that, if life once existed there, it should be possible to find evidence of this fact.
In addition, the team found that the rocks in the crater are igneous, having formed from lava flows or magma.  This answers a big question about the crater's composition, as researchers were previously unsure whether the rocks there were igneous or sedimentary.

I was beginning to despair that we would never find the answer.  Then our PIXL instrument got a good look at the abrupt smudge of a rock in the zone dubbed 'South Séitah,' and it all became clear: the crystals inside the rock provided the smoking weapon."

The PIXL, or X-Ray Planetary Lithochemistry Instrument, uses X-rays to analyze rocks and determine their composition.  The use of PIXL in a particular sample called "Brac" showed a distinct structure that indicated igneous rock.

A good geology student will tell you that such a texture indicates that the rock formed when the crystals grew and settled in a slowly cooling magma - for example, a thick lava flow, lava lake, or magma chamber.

Farley referred.


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This analysis also confirmed that the rocks had been in contact with water, adding further evidence to the assumption that Jezero crater is the site of an ancient lake.
Researchers are still debating exactly how long water has been present at this site, so this discovery contributes to understanding the region's history.

The rock was then altered by water several times, making it a treasure that will allow future scientists to date events on Jezero, better understand the period when water was most common on its surface, and reveal the planet's early history.  The return of the Mars sample will offer many answers!

said farley
One of the tasks of the Perseverance rover is to collect samples of rocks and Martian soil and seal them in tubes for later collection by another rover and eventual return to Earth in the mission. Mars Sample Return.  This will allow scientists to study the samples in more detail than is possible for a rover.
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