NASA's first mission to Mars, Pathfinder, may have explored the edges of the early Marseilles Sea in 1997, according to scientists who say the probe images could provide evidence of living on the Red Planet. The landing site lies on the overflow of the ancient sea that has experienced catastrophic floods released from the underworld of the planet and its sediments.
Almost half a century before the Mariner 9 aircraft returned images of some of the largest canals in the Sun's system. Orbital observations of gigantic canals indicated that they were formed approximately 3.4 billion years ago by cataclysmic floods, much larger than any other known on Earth.
The odds that abundant water that had just been excavated in the Marian landscape caused a renewed interest in the possibility that life once had on the planet. To test the hypothesis about the Mars-Mega Flood, NASA has introduced its first Mars rover; Sojourner, on the ship of Mars Pathfinder 1997 spacecraft that traveled to the Red Planet.
NASA spent a total of $ 280 million on the mission, including vehicle launch operations and missions. The terrain within the visual range of the rover includes potential fluvial characteristics indicating a regionally extensive flooding. However, these features point to floods that are at least 10 times cheaper than those estimated by images obtained from orbits.
Therefore, the mission was not able to exclude still controversial alternative views that claim that fragments of debris or lava could actually dominate the history of channel formation without significant water discharge. "Our work shows a pool, with approximately California's surface, which separates most of the gigantic Mars channels from the Pathfinder landing site," said Alexis Rodriguez, author of the study, published in the journal Nature Scientific Reports.
Also read | The oldest world seed that has been frozen for 50 years is still functional and is used to fertilize sheep
»Lava or lava flows would fill the pool before they reach the Pathfinder landing site. Only the existence of a pool requires cataclysmic flooding as the primary mechanism of channel formation, "he said. "The pool is covered with sedimented deposits with a scale that exactly matches the range of flooding from the potential catastrophic floods that would create the inner sea," Rodriguez said.
"This sea is about 250 miles upstream from the Pathfinder landing site, an observation that transforms its paleo-geographic environment as part of the sea overflow, which has formed a land barrier that separates the inner sea and the northern ocean," he said. "Our simulation shows that the presence of the sea would have weakened the cataclysmic flooding, which would result in a shallow flood that had reached the landing site at Pathfinder and created layers that were discovered on the aircraft," Rodriguez said.
Research findings suggest that marine sediments have contributed to the landscape discovered by spacecraft nearly 22 years ago and reconciled geological observations in situ geological observations and decades of remote canal search. The Sea has an unusual resemblance to the Arctic Sea on the Earth because in both cases there are no distinct coastal terraces.
Its rapid regression over shallow sunken slopes resulted in a rapid departure from the shore in front of the shore to form the terraces. The same process could partly be attributed to the long-term lack of coastline of the northern plains.