Also, the latest ice-sheet have heated some because the Freeze Years, however entirely

Blue light filtered through the wall surface out-of a keen Antarctic snow pit illuminates "Put," brand new mascot to own Tuckahoe Basic College or university in the Henrico County, Virginia. Regarding the wall surface of your own gap, dark and you may white bands of slower compacted accumulated snow differentiate accumulated snow transferred in the winter months of snow placed in the summertime. (Pic thanks to Christopher Shuman, NASA GSFC)