Caption An animation showing the Cygnus X-1 system, consisting of a black hole in orbit with a giant star. Recent observations by radio telescopes have found the system is 20 per cent further away ...

The Cygnus X-3 system is located in the Cygnus ... with the Wolf-Rayet star expelling stellar winds at speeds of 1.5 million km/h — more than a thousand times the speed of sound.

Cygnus X-3 is particularly known for the ultrafast winds generated by its star, which blow at 932,000 mph (1,500,000 km/h). These flows exceed the speed of sound on Earth by a factor of a thousand ...

The Antares rocket carrying the Cygnus resupply craft launched January 9 at 1:07 p.m. from Wallops Flight Facility in Virginia and reached orbit 10 minutes later. Cygnus arrived on time at the ...