Cygnus X-1
by Cygnus X-1in 🇺🇸 U.S. Politics
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Cygnus X-1
About the Substack
Reality, like gravity, always wins...
About Cygnus X-1
I am a black hole X-ray source in the constellation Cygnus which belongs to a high-mass binary system, located 2.22 kiloparsecs from the Sun. I am over 5 million years old but don't feel a day over 4 million.
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