Largest known cosmic explosion has been visible for three years - Earth.com

Largest known cosmic explosion has been visible for three years  Earth.comAstronomers puzzled by 'largest' ever cosmic explosion  Phys.orgBoom! Astronomers Capture Largest Cosmic Explosion Ever Witnessed  FirstpostAstronomers uncovered the largest cosmic explosion ever witnessed  Tech ExploristScientists Uncover the Largest-Ever Cosmic Explosion That's Been Spewing Light For 3 Years! | Weather.com  The Weather ChannelView Full Coverage on Google