"For XRISM, Cygnus X-3 is a Goldilocks target." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Using the Japanese-led X-ray Imaging and ...
An artist’s impression of the Cygnus X-1 system, with the black hole appearing in the center and its companion star on the left. New measurements from Cygnus X-1, reported Nov. 3 in the journal ...
Albireo (β Cygni), located in the constellation Cygnus, is a visually striking double star system easily observable due to its contrasting colors. Albireo's components, Beta1 (magnitude 3.4, golden ...
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