A mysterious signal that has confounded scientists for years has been traced to a spot in the sky more than 3 billion light-years away.
원문출처 : http://www.cnn.com/2017/01/04/world/dwarf-galaxy-radio-burst/index.html
원문출처 : http://www.cnn.com/2017/01/04/world/dwarf-galaxy-radio-burst/index.html