Cygnus X-1
Simulating the Accretion Disk Around a Black Hole
Black holes are by their very nature, challenging to observe and difficult to spot. It's usually observations of the accretion…
3 months ago
A Black Hole’s X-Rays are Coming From a Region 2,000 km Away From the Singularity Itself
A study of Cygnus X-1 shows its jets emanate from a region a bit off from the black hole itself.
2 years ago
Cygnus X-1 was the First Black Hole Ever Found. New Measurements Show it's Much More Massive Than Previously Believed
New parallax measurements of Cygnus X-1 by the VLBA find it is more distant than we thought, and therefore more…
4 years ago
The Cygnus Constellation
Located in the northern hemisphere is the Cygnus constellation, one of the 48 constellations identified by Ptolemy and one of…
7 years ago