Cygnus X-1
E1229115
UNEXPLORED
Cygnus X-1 is one of the strongest known X-ray sources in the sky and the first widely accepted stellar-mass black hole candidate, located in the constellation Cygnus.
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Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Cygnus
subject surface form:
Cygnus