https://i.chzbgr.com/maxW500/7440183040/hF66D72B1/
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https://i.chzbgr.com/maxW500/7446761472/hE73E3A7E/
GROVER, which stands for both Greenland Rover and Goddard Remotely Operated Vehicle for Exploration and Research, is an autonomous, solar-operated robot that carries a ground-penetrating radar to examine the layers of Greenland's ice sheet. Its findings will help scientists understand how the massive ice sheet gains and loses ice.