![Radio Neutrino Observatory in Greenland (RNO-G) on Twitter: "Testing the gear 😍 we expect temperatures down to -40°C and rough winds. The station is located at 3200m above sea level. #arctic #expedition # Radio Neutrino Observatory in Greenland (RNO-G) on Twitter: "Testing the gear 😍 we expect temperatures down to -40°C and rough winds. The station is located at 3200m above sea level. #arctic #expedition #](https://pbs.twimg.com/media/FSU_WAUXMAE1MvT.jpg:large)
Radio Neutrino Observatory in Greenland (RNO-G) on Twitter: "Testing the gear 😍 we expect temperatures down to -40°C and rough winds. The station is located at 3200m above sea level. #arctic #expedition #
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![A member of John Fremont's expedition named Sorel is being left to die on February 6, 1849, as he is too weak to continue Stock Photo - Alamy A member of John Fremont's expedition named Sorel is being left to die on February 6, 1849, as he is too weak to continue Stock Photo - Alamy](https://c8.alamy.com/comp/C56D62/a-member-of-john-fremonts-expedition-named-sorel-is-being-left-to-C56D62.jpg)