NASA said they had a major announcement about Mars coming up and on Monday they confirmed the existence of liquid water on the surface of the red planet, according to new research.
The finding comes from data and analysis by NASA’s Mars Reconnaissance Orbiter.
RT reports: The Mars Reconnaissance Orbiter (MRO) has verified that the dark, seasonal streaks that have appeared on Mars’ surface come from briny water flows.
— NASA (@NASA) September 28, 2015
MRO found evidence of narrow channels containing water cut into cliff walls through Mars’ equatorial band, though the source and chemistry of the water is yet unknown. The streaks, or recurring slope lineae, appear during the warmer summer months on the Red Planet. They disappear when the temperature drops. The findings advance the potentiality for life on Mars, researchers said. While it is likely that life exists in the crust of Mars, the new findings further the possibility of life closer to the surface of the planet, Alfred McEwen, a planetary scientist with Arizona State University, said during a NASA press conference.
“It took multiple spacecraft over several years to solve this mystery, and now we know there is liquid water on the surface of this cold, desert planet,” said Michael Meyer, lead scientist for NASA’s Mars Exploration Program. “It seems that the more we study Mars, the more we learn how life could be supported and where there are resources to support life in the future.”
— Sean O’Kane (@sokane1) September 28, 2015
Scientists had previously run into difficulties analyzing the streaks, which measure less than 16 feet, or 5 meters, wide. The MRO’s instruments were able to process trace measurements, and scientists successfully observed the findings thanks to a computer program that can focus in on individual pixels. MRO’s data was then compared with high-resolution images of the slopes. Scientists found a match between their locations and the presence of hydrated salts.
“We’re not claiming that we found … evidence of liquid water. We found hydrated salts,” said Lujendra Ojha, a graduate student at Georgia Institute of Technology and lead author of the report, published in the journal Nature Geosciences.
While NASA has rushed to announce the findings, Ojha expressed reserve.
“It’s a little bit over-the-top announcement by NASA,” Ojha said. “There’s so many mysteries to be solved about RSL (recurring slope line).”
The presence of water on Mars in the form of ice caps has been known for years. However, proof of liquid water on the Red Planet will have major ramifications for the study of Mars. It may mean that microbial life may still survive under the Martian surface, if there ever was any in the first place.
The discovery “confirms that water is playing a role in these features,” according to McEwen. “We don’t know that it’s coming from the subsurface. It could come from the atmosphere.”
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