Mars shocker: Liquid water lake found on the Red Planet


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Scientists have uncovered a “a secure physique of liquid water” on Mars, in what some are calling a “sport changer” within the seek for alien life.

What’s believed to be liquid water is sitting under Mars’ southern polar ice cap and is described as a “well-defined, 20-kilometer-wide zone.” 20 kilometers is roughly 12.5 miles.

The findings, that are printed within the journal Science, had been made probably by Mars Superior Radar for Subsurface and Ionosphere Sounding (MARSIS), an instrument that resides on the Mars Specific spacecraft. MARSIS surveyed Mars’ Planum Australe area between Could 2012 and December 2015 and utilized radar pulses, sending them by the floor and the polar ice caps, in the end measuring how the radio waves got here again.


The pulses that got here again created the aforementioned “well-defined, 20-kilometer-wide zone” and located that the radar mirrored the brightness of the liquid water. The examine’s summary notes that it’s surrounded by “a lot much less reflective areas,” an indication that it’s certainly water.

The group that wrote the examine, together with lead creator Professor Roberto Orosei, have dominated out every other causes for the brightness.

Talking with the BBC, Orosei stated it in all probability is not “a really giant lake,” however added that it is a physique of water and never runoff from a glacier or one thing else. 

“This actually qualifies this as a physique of water. A lake, not some sort of meltwater filling some area between rock and ice, as occurs in sure glaciers on Earth,” Orosei informed the British media big.

Following information of the findings, social media was understandably enthused, with some questioning what it would imply for the seek for extraterrestrial life.

What does this imply?

The presence of liquid water on the backside of the Martian polar ice caps was first theorized greater than 30 years in the past, the researchers stated, however it had been “inconclusively debated ever since.” With the gorgeous findings, that debate is prone to be put to mattress.

The water is prone to be under the freezing level for water (32°F or zero°C) given its location beneath the ice cap, however the presence of minerals resembling magnesium, calcium and sodium perchlorate within the soil of the northern plains of Mars, “assist the presence of liquid water on the base of the polar deposits.”

The presence of those minerals might assist kind a brine with the water, which might permit it to stay liquid, a response that already exists on Earth in areas like Antarctica.


Regardless of the plain pleasure surrounding the findings, Mars’ floor is “inhospitable to life,” in keeping with the Open College’s Dr. Manish Patel, and researchers should not any nearer to discovering life than they had been previous to the announcement.

“This is only one small examine space; it’s an thrilling prospect to assume there may very well be extra of those underground pockets of water elsewhere, but to be found,” Orosei stated in an announcement on the European House Company’s web site.

Nonetheless, Wednesday’s announcement is garnering vital consideration, one thing Dmitri Titov, ESA’s Mars Specific venture scientist, known as a “much-awaited end result.”


“This thrilling discovery is a spotlight for planetary science and can contribute to our understanding of the evolution of Mars, the historical past of water on our neighbor planet and its habitability,” Titov stated.

Observe Chris Ciaccia on Twitter @Chris_Ciaccia

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