QUICK FACTS Where is it? An unnamed glacier in southeastern Alaska What's in the photo? A large pool of water sitting on top of the ice What took the photo? NASA's ER-2 airplane When was it taken?

July 16, 2014 This 2014 aerial photo shows what looks like an unusually large and deep puddle of vibrant blue meltwater sitting on top of an unnamed Alaskan glacier. Similar melt ponds are ...