NASA's stuck astronaut steps out on a spacewalk after 7 months in orbit - ABC News

NASA's stuck astronaut steps out on a spacewalk after 7 months in orbit  ABC NewsAstronauts repair black hole observatory, inspect cosmic ray detector on ISS spacewalk  Space.comSpacewalkers Wrap Up X-Ray Telescope Repair Job and More – Space Station  NASA BlogsStranded astronauts to complete spacewalks in January for International Space Station repairs  Fox Weather US astronaut takes first spacewalk after seven months stuck in orbit  The G