
Where is it? Flade Isblink ice cap, northeast Greenland [81.298483222, -16.071359543]
What's in the photo? A ghostly-looking indentation in the snow
Which satellite took the photo? Landsat 8
When was it taken? June 21, 2014
Scientists were shocked when they discovered a large, ghostly figure that suddenly appeared in satellite images of Greenland 13 years ago. The icy apparition was created by a depression in the snow-covered surface, which formed when an underground lake located directly beneath the figure collapsed.