Photo: NASA: 2Explore/Flickr
NASA astronaut and flight engineer Chris Cassidy uses a 400mm lens to photograph the Earth from 250 miles above on June 3 in the International Space Station's cupola module.
Installed in February 2010, the cupola is an observation deck that allows astronauts to conduct experiments, perform dockings and observe their home planet while away on long missions.
Cassidy, who recently demonstrated how to shave his head in zero gravity, has been in orbit since late March and will remain there into September.
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