Massive stellar pairs spewing X-rays reveal Milky Way history - Space.com

Tracking a binary back to its birthplace can give astronomers a range for when one of the stars became a supernova and sent the pair moving.

Massive binary star systems in the galaxy form at the edges of open clusters or the leading edge of a spiral arm, a team of astronomers found. The work provides a window into what the galactic neighb… [+3296 chars]

full article...