Multiple choice general knowledge science & technology

Which is the First Radio Galaxy?

  1. Radio Galaxy

  2. FM Galaxy

  3. Cygnus A

  4. Hoag's galaxy
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cygnus A was one of the first radio galaxies discovered (in the 1940s) and is one of the brightest radio sources in the sky. It is a powerful radio galaxy located in the Cygnus constellation, approximately 600 million light-years from Earth, and its discovery helped establish radio astronomy.

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