Cygnus X-1 Black Hole
Nasa/cxc/m.weiss/science Photo Library
X-ray Binary Cygnus X-1
Mark Garlick/science Photo Library
Cygnus X-1 Black Hole Candidate
David A. Hardy, Futures: 50 Years In Space/science Photo Library
Illustration Of Cygnus X-1
David Hardy/science Photo Library
X-ray Image Of The Binary System Cygnus X-1
Max-planck-institut Fur Extraterrestrische Physik/science Photo Library
Cygnus X-1 Star
Royal Greenwich Observatory/science Photo Library
Cygnus X-1
Ron Miller / Science Photo Library
Cygnus X-1
Mark Garlick/science Photo Library
Non-spinning Black Hole
Nasa/cxc/m.weiss/science Photo Library
Cygnus Constellation
Davide De Martin/science Photo Library
X-ray Binary Star Systems
Mark Garlick/science Photo Library