After three days in emergency mode, NASA's Kepler spacecraft is stable again -- prompting sighs of relief 75 million miles away.
원문출처 : http://edition.cnn.com/2016/04/11/tech/nasa-kepler-spacecraft/index.html?eref=edition
원문출처 : http://edition.cnn.com/2016/04/11/tech/nasa-kepler-spacecraft/index.html?eref=edition