Discovery Earth Live

 
 

Braving the Cold for Science

 
arctic expedition picture

Betsy Wilkening, the PolarTREK teacher from Arizona, against a setting sun. Even with 12 hours of daylight and 12 hours of night, twilight and sunrises lasted for hours. It was completely dark for less than 5 hours a night in mid-March.

Credit: Spencer Brown

arctic expedition picture arctic expedition picture arctic expedition picture arctic expedition picture arctic expedition picture
arctic expedition picture arctic expedition picture arctic expedition picture arctic expedition picture arctic expedition picture
arctic expedition picture arctic expedition picture arctic expedition picture arctic expedition picture

 
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Image Credits Wayne Paye/Greenpeace |

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