{"id":6960,"date":"2018-07-25T13:02:25","date_gmt":"2018-07-25T17:02:25","guid":{"rendered":"http:\/\/www.monsffa.ca\/?p=6960"},"modified":"2018-07-25T13:02:25","modified_gmt":"2018-07-25T17:02:25","slug":"huge-lake-of-salt-water-buried-beneath-mars","status":"publish","type":"post","link":"https:\/\/www.monsffa.ca\/?p=6960","title":{"rendered":"huge lake of salt water buried beneath Mars"},"content":{"rendered":"

This is an amazing discovery, and if confirmed, could well lead to the discovery of life on Mars. A similar lake discovered under our own ice cap was found to contain living organisms. — CPL<\/em><\/p>\n

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Researchers discover a huge lake of salt water buried beneath Mars. Life could be next<\/h1>\n
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Their results suggest that a 20 kilometre-wide reservoir lies below ice about 1.5 kilometres thick in an area close to the planet’s south pole<\/p>\n<\/div>\n

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The Associated Press<\/span><\/div>\n
Updated: July 25, 2018<\/div>\n<\/div>\n<\/header>\n
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This image provided by the ESA\/INAF shows an artist’s rendering of the Mars Express spacecraft probing the southern hemisphere of Mars. <\/span> Davide Coero Borga\/INAF\/ESA via AP <\/span><\/p>\n<\/figcaption><\/figure>\n
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NEW YORK \u2014 A huge lake of salty water appears to be buried deep in Mars, raising the possibility of finding life on the red planet.<\/p>\n

The discovery, based on observations by a European spacecraft, generated excitement from experts. Water is essential to life as we know it, and scientists have long sought to prove that the liquid is present on Mars.<\/p>\n

\u201cIf these researchers are right, this is the first time we\u2019ve found evidence of a large water body on Mars,\u201d said Cassie Stuurman, a geophysicist at the University of Texas who found signs of an enormous Martian ice deposit in 2016.<\/p>\n

This May 12, 2016 image provided by NASA shows the planet Mars. A study published Wednesday, July 25, 2018 in the journal Science suggests a huge lake of salty water appears to be buried deep in Mars, raising the possibility of finding life on the red planet.<\/span> NASA\/ESA\/Hubble Heritage Team – STScI\/AURA, J. Bell – ASU, M. Wolff – Space Science Institute via AP<\/span><\/p>\n<\/figcaption><\/figure>\n

Scott Hubbard, a professor of astronautics at Stanford University who served as NASA\u2019s first Mars program director in 2000, called it \u201ctremendously exciting.\u201d<\/p>\n

\u201cOur mantra back then was \u2018follow the water.\u2019 That was the one phrase that captured everything,\u201d Hubbard said. \u201cSo this discovery, if it stands, is just thrilling because it\u2019s the culmination of that philosophy.\u201d<\/p>\n

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The study, published Wednesday in the journal Science, does not determine how deep the reservoir actually is. This means that scientists can\u2019t specify whether it\u2019s an underground pool, an aquifer-like body, or just a layer of sludge.<\/p>\n

To find the water, Italian researchers analyzed radar signals collected over three years by the European Space Agency\u2019s Mars Express spacecraft. Their results suggest that a 12-mile-wide (20 kilometres) reservoir lies below ice about a mile (1.5 kilometres) thick in an area close to the planet\u2019s south pole.<\/p>\n

They spent at least two years examining the data to make sure they\u2019d detected water, not ice or another substance.<\/p>\n

\u201cI really have no other explanation,\u201d said astrophysicist Roberto Orosei of Italy\u2019s National Institute of Astrophysics in Bologna and lead author of the study.<\/p>\n

Italian astrophysicist Roberto Orosei speaks during a press conference at the Italian Space Agency headquarters in Rome, Wednesday, July 25, 2018.<\/span> AP Photo\/Gregorio Borgia<\/span><\/p>\n<\/figcaption><\/figure>\n

Mars is very cold, but the water might have been kept from freezing by dissolved salts. It\u2019s the same as when you put salt on a road, said Kirsten Siebach, a planetary geologist at Rice University who wasn\u2019t part of the study.<\/p>\n

\u201cThis water would be extremely cold, right at the point where it\u2019s about to freeze. And it would be salty. Those are not ideal conditions for life to form,\u201d Siebach said.<\/p>\n

Still, she said, there are microbes on Earth that have been able to adapt to environments like that.<\/p>\n

Orosei said, \u201cIt\u2019s tempting to think that this is the first candidate place where life could persist\u201d on Mars.<\/p>\n

He suspects Mars may contain other hidden bodies of water, waiting to be discovered.<\/p>\n<\/div>\n<\/div>\n

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