Astronauts Are Taking a Spacewalk to Fix Cosmic Ray Detector Today: Watch It Live Space.comAstronauts in another spacewalk to fix cosmic ray detector msnNOWSpacewalk: NASA astronauts in another spacewalk to fix cosmic ray detector CBS NewsSpacewalking astronauts cutting into cosmic ray detector CTV NewsNASA spacewalk LIVE stream: Watch the ISS astronauts fix a dark matter detector HERE Express.co.ukView full coverage on Google News