Before drifting off to sleep, NASA astronaut Scott Kelly (stationcdrkelly) captured this images from the International Space Station and wrote, " Day 180. Moonlight over Italy. #BuonaNotte Good night from ISS! #YearInSpace‬." Kelly is living and working off the Earth, for the Earth aboard the station for a yearlong mission. Traveling the world about 250 miles above the Earth, and at 17,500 mph, he circumnavigates the globe more than a dozen times a day. Image Credit: NASA #nasa #spacestation #space #earth #iss