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RS satellite determines the coldest place on earth

Published Date : 11 December 2013

US: With remote-sensing satellites, scientists have found the coldest places on earth, just off a ridge in the East Antarctic Plateau. This remote region has set a new record for the coldest place, with temperatures dipping to a bone-chilling minus 93.2 degrees Celsius according to NASA scientists.

 Scientists made the discovery while analysing the most detailed global surface temperature maps to date, developed with data from remote sensing satellites including the new Landsat 8, a joint project of NASA and the US Geological Survey (USGS).

Ted Scambos, lead scientist at the National Snow and Ice Data Center in Boulder, Colorado, joined a team of researchers who turned to sensitive satellite instruments that can pick up thermal radiation emitted from earth’s surface, even in areas lacking much heat.

Using these sensors to scan the East Antarctic Plateau, Scambos detected extremely cold temperatures on a 997 km stretch of the ridge at high elevations between Argus and Fuji, and even colder temperatures lower elevations in pockets off the ridge.

Then, with the higher resolution of the Thermal Infrared Sensor (TIRS) aboard Landsat 8, the research team pinpointed the record-setting pockets.

Source: Businessline


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