Here's why they call Earth 'The Blue Marble'

The Caribbean country of Cuba appears at the top of this image, photographed last December by an Expedition 38 crew member aboard the International Space Station. Andros Island, part of the Bahamas, can be seen in the bottom of the frame. The surrounding waters are so beautifully aqua-colored as to appear unbelievable.

See also: NASA's Update to the Iconic 'Blue Marble' Photograph and 'The Black Marble': A New Satellite View of the Earth That Will Leave You in Awe

[NASA]