pictures of Tuesday Reveals how water helped shape the landscapes of the Red Planet billions of years ago, and provides clues to finding evidence of ancient life, according to a new study.
In February, NASA’s Persevere rover Jisero descended into the abyssScientists suspect that a long-running river feeds a lake, and sediments in the delta are visible in the shape of a fan in space.
Scientifically studied high-resolution images captured by the diligence of the rocks that were once the shores of the delta. Layers within rocks reveal how their formation occurred.
NASA astronomer Amy Williams and her team in Florida have discovered similarities between rock features in the abyss and shapes in Earth’s river delta. The shape of the lower three layers showed an early presence and a uniform current, as Mars was “hot and humid enough to support a hydraulic cycle” 3.7 billion years ago, according to the study.
Boulders over a meter in diameter are scattered in the upper and later layers, possibly due to violent flooding.
But the microscopic deposits of the core layer are the model target for signs of the extinction of long life on Mars.
The findings will help researchers figure out where to send the rover into the soil and rocks, which may contain valuable “biological signals” of Martian life.
“From the orbital images, we know that delta must be made up of water,” Williams said. “But getting these pictures is like reading a book rather than looking at the cover.”
The main task of perseverance is to find out if there is a creature on Mars, it took decades and was developed at a cost of billions of dollars.
Over the years, the multi-mission rover will collect 30 rock and soil samples in sealed tubes, which will eventually be sent back to Earth occasionally in 2030 for laboratory analysis.
Last month, expedition scientists announced a diligence in collecting two rock samples at Jessore, which showed signs of prolonged contact with groundwater. They believe the samples may have at some point carried out ancient microbial life, evidence that they may have been trapped by salt minerals.
Knowing that Mars may have once had life, Williams said, was one of humanity’s most profound discoveries.
She was surprised that there was a window into an ancient river system on another planet. “Seeing something no one on earth has ever seen is really amazing,” he said.
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