Astronaut shares incredible spacewalk selfie

Move over, Ellen. Rich Mastracchio has snapped the selfie to end all selfies. The NASA astronaut was out on a spacewalk with crew member Steve Swanson to replace a backup computer box on the International Space Station when he decided to take a photo. "The space suit makes it very difficult to get a good selfie. I tried several today," Mastracchio said of the photo. An EVA selfie. The space suit makes it very difficult to get a good selfie. I tried several today. pic.twitter.com/GvMEOj3ewu— Rick Mastracchio (@AstroRM) April 23, 2014 The spacewalk selfie comes only a day after NASA encouraged Earth-bound Twitter followers to celebrate Earth Day with "#GlobalSelfies"