... Star Atlas . ... X-raying stellar winds in a high-speed collision . Two space telescopes have observed the resultant winds of a binary system crashing together to create a т??Rosetta Stoneт?? for such events. ... т??This particular binary system represents an important stepping-stone in our understanding of stellar wind collisions and their associated emissions, and could only be achieved by tracking the two stars orbiting around each other with X-ray telescopes,т?? said Norbert Schartel from ESA. ...