This is what the underside of an iceberg looks like
January 27, 2015
Capsized icebergs are still uncommon. The vitreous blue-green gleam is the handiwork of decades of pressure that squeezed out the tiny air pockets that buffer the crystals. Ice that dense absorbs bits of red light, reflecting the blue frequencies. Underwater microorganisms and minerals frozen within burnish its greenish tint.
Posted in: Infographic of the day