Scientists from the U.S. space agency (NASA) rejoice with samples of rocks on the Planet Mars taken robot explorers Perseverance last week. They move the robot to take a second sample.
Perseverance drill core rock about the size of your index finger on the 6th of september last, and repeating the procedure a few days later.
Scientists believe the rock that is targeted is derived from the volcano, which means it can be specified age accurately.
This stone also contains salt, which indicates a change of water, and raises the possibility of existence of life.
Or, at least, the potential for life in the past.
Not always there is life in the presence of H₂O but it is difficult to imagine how the organism can live without the elements of it.
Robot Perseverance sent to the Crater area Jezero on Mars, because it seems to have a supporting environment habitable billions of years ago.
Satellite imagery shows a lake never in the crater with a width of 45km it.
In the western part of the crater, there are deposits of the river and the pathways that area.
The period in which the water is there, now narrowed down by the rock samples that had just taken.
The plates were targeted, nicknamed “Rochette” are on the surface of Jezero and thus expected to represent a layer in the crater.
If the minerals in the samples are taken is known to its age, it would be expected “not older than” the age of the lake.
Salt – the possibility of calcium silfat or calcium phosphate – very interesting, because it almost certainly contains small inclusions, or bubbles, of water.
“Salt is a mineral which is great to preserve signs of life ancient on Earth, and we hope the same thing happens on rock samples on Mars,” said deputy project Perseverance, Dr. Katie Stack Morgan.
Of course, to do this investigation, the samples that need to be sent back to Earth first.
Nasa’s plans (in cooperation with the European space agency) is ordered Perseverance to collect more than twenty-rock core for the next two years, and packaged in tube titanium closed.
Perseverance will alighted for a moment on the surface of the Jezero to the next mission, picking up rock samples to be transported to Earth before the year 2030.
“Because … the potential value of science is high, we decided to get two samples in the Rochette,” said Dr. Stack Morgan told reporters.
“The team of scientists [Perseverance] are you planning to put one or two samples are the same. And to make sure each sample is as complete as possible, we have a strategy to get the two samples in each location of the highest priority.
To reach the location of the rocks Rochette, Perseverance walk around 2.2 km (1.4 to mile) from the point of landing, the month of February.
Currently, he is heading to the west along the ridge are slightly raised to the site are referred to as “Séítah South” in which the core of the rocks next to be taken.
On the other hand, the robot is tracked by a mini helicopter named Ingenuity, which monitor the surface of the ground in front of him.
At a certain point, the scientists want the robot to move to the north to the place of river sediments and the pathways most looks, and the place where the possibility of finding traces of past life the most.
Meenakshi Wadha is a scientist who handle the return of samples from Mars. He said the core taken from Rochette has its own name “Montdenier” (6 September) and “Montagnac” (8 September).
“I cannot overstate the importance of the rock samples collected by Perseverance. This is the achievement of a truly historic – rock core was collected first in the mainland of the other planets. This is amazing.
“Two core rocks this now represents the beginning of the sampling of Mars.
I berimpi have a sample coming from Mars to analyze in my lab since I was a graduate student. And skerang, it really feels real.”
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