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Scientists to hunt microbes, living specimens beneath Antarctic ice sheet

The Lake, Which Measures Nearly 62 Square Miles, Was Discovered More Than A Decade Ago Through Satellite Images But Has Never Before Been Explored.

PTI | Updated on: 05 Jan 2019, 10:36:39 PM
Scientists to hunt microbes beneath Antarctic ice sheet (File Photo)


An international team of scientists will begin the new year hunting for microbes and other living specimens in an unexplored lake far beneath the surface of the Antarctic ice sheet. Led by polar scientist John Priscu of Montana State University in the US, a team of 45 scientists, drillers and support staff will drill 4,000 feet to the bottom of the ice sheet that covers Mercer Subglacial Lake about 370 miles from the South Pole.

The lake, which measures nearly 62 square miles, was discovered more than a decade ago through satellite images but has never before been explored.

The expedition, known as SALSA (Subglacial Antarctic Lakes Scientific Access), hopes to shed light on what kind of life can survive in such remote regions and serve as an on-Earth comparison for habitats deep inside Mars or on the ice-covered moons of Jupiter and Saturn.

While Mercer will be the second subglacial lake that humans have sampled directly, Fox wrote, it will be the first time scientists will use a remote vehicle to roam beneath the ice sheet, which leads the scientists to wonder if the submersible's three video cameras might capture images of animals that live in the dark water. This is the second such expedition for Priscu.

In 2013, he and other MSU researchers published the discovery of microscopic life in Subglacial Lake Whillans in the journal Nature and received worldwide attention. 

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First Published : 05 Jan 2019, 10:35:01 PM