Scientists to embark on 750-km expedition on the South Pole
A team led by two NASA scientists is set to embark on a 750-kilometre Antarctic expeditionnto survey an unexplored stretch of the frozen continent. Facing temperatures below -30ÂºC, the team would collect GPS data of ice sheet elevation to aid satellite measurements for tracking ice melt. The two-to-three-week trek around the South Pole would begin on December 21.