A higher mass for Cygnus X-1, the first black hole to be discovered, challenges ideas about the evolution of massive stars.
The post First-detected Black Hole is More Massive Than We Thought appeared first on Sky & Telescope.
Space news for NeRDs
A higher mass for Cygnus X-1, the first black hole to be discovered, challenges ideas about the evolution of massive stars.
The post First-detected Black Hole is More Massive Than We Thought appeared first on Sky & Telescope.