Re:Imaging Cygnus a at 8.45 GHz with ATA
by dangelosaurus on Sunday August 08, 2021 @04:30PM
(#28109824)
Cygnus A is 232 Megaparsecs away[1], which converts to ~756,830,000 light-years away. Because of the expansion of the universe[2], what we observe happened slightly more recently.
[1] https://en.wikipedia.org/wiki/Cygnus_A
[2] https://en.wikipedia.org/wiki/Expansion_of_the_universe