black hole, cygnus x-1, new discoveries

First Black Hole Ever Detected Is More Massive Than Thought

New observations of the first black hole ever detected have led astronomers to question what they know about the Universe’s most mysterious objects. Published in the journal Science, the research shows the system known as Cygnus X-1 contains the most massive stellar-mass black hole ever detected without the use of gravitational waves. Cygnus X-1 is ...

Troy Oakes

An artist's impression of the Cygnus X-1 system.