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EKOSUSTAV

VELIKO OTKRIĆE Dva i pol kilometra ispod antarktičkog leda pronađeni živi organizmi

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Jutarnji.hr
Objavljeno: 21. kolovoza 2014. 12:06
In this image obtained from NASA, a close-up image of the crack spreading across the ice shelf of Pine Island Glacier shows on October 26, 2011, the details of the boulder-like blocks of ice that fell into the rift when it split. The massive crack is growing wider in the Antarctic ice sheet and could break apart in the coming months, forming an iceberg the size of New york City, NASA scientists warned on Novermber 3, 2011. The crack in western Antarctica's Pine Island Glacier stretches for at least 18 miles (30 kilometers) and runs 165 feet (50 meters) deep. The rift is widening at a rate of 6.5 feet (two meters) per day, said NASA project scientist Michael Studinger. = RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT
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In this image obtained from NASA, a close-up image of the crack spreading across the ice shelf of Pine Island Glacier shows on October 26, 2011, the details of the boulder-like blocks of ice that fell into the rift when it split. The massive crack is growing wider in the Antarctic ice sheet and could break apart in the coming months, forming an iceberg the size of New york City, NASA scientists warned on Novermber 3, 2011. The crack in western Antarctica's Pine Island Glacier stretches for at least 18 miles (30 kilometers) and runs 165 feet (50 meters) deep. The rift is widening at a rate of 6.5 feet (two meters) per day, said NASA project scientist Michael Studinger. = RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / NASA/DMS" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS =
 AFP

Dva i po kilometra ispod antarktičkog leda otkriven je ekosustav. Znanstvenici su, naime, objavili da su pronašli ekosustav u jezeru koje je bilo odsječeno od vanjskog svijeta milijune godina.

U njemu su se nastanili mikroorganizmi koji se razvijaju uz pomoć amonijaka i metana, a mnogi pripadaju primitivnoj porodici mikroba koji se nazivaju arheje.

- Nedvosmisleno smo dokazali da Antarktika nije mrtav kontinent - izjavio je voditelj projekta profesor John Priscu sa Sveučilišta u Montani.

Istraživanje, koje je objavljeno u časopisu Nature, prvi je direktni dokaz postojanju života duboko ispod antarktičkog pokrivača.

- Morali smo biti jako oprezni da ne zagadimo jedno od najčišćih područja na planeti. U isto smo vrijeme morali osigurati i da naši uzorci budu savršeni -dodao je prof...

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