NASA astronaut Scott Kelly on the International Space Station captured this interesting image in the station's Cupola.
ISS043E284928 (06/04/215) — NASA astronaut Scott Kelly on the International Space Station captured this interesting image in the stations Cupola, the 360 degree observation area and remote control location for grappling and docking and undocking spacecraft. Scott tweeted this comment with the image on June, 4, 2015: “Often when I look out the window I think we should call it Planet Water instead of Earth. Sadly mostly saltwater”.