NASA has found very powerful cosmic X rays but it's not clear where it came from
This study comes from an analysis of the data recorded in NASA's DXL mission, taking off in 2012 to find out what emits weak X-rays at the angle of our galaxy.The solar system fits in 'bubble'
A series of supernova explosions, though not strong enough to kill life on earth, have wrapped the solar system in a hot air bubble and exist today.