Astronomers discover a new extragalactic circular radio source
Radio galaxy - Wikipedia
EHT pinpoints dark heart of the nearest radio galaxy - MIT Haystack Observatory
Galactic astronomy - Wikipedia
Galactic and Extra-Galactic Radio Astronomy – Attic Books
World-first images show what the universe would look like if humans could see radio waves - ABC News
Galactic and Extragalactic Radio Astronomy (Astronomy and Astrophysics Library): Verschuur, Gerrit L., Kellermann, Kenneth I., Bouton, E.: 9780387977355: Amazon.com: Books
ESA Science & Technology - Selected galactic and extragalactic sources in the microwave sky as seen by Planck
Extragalactic astronomy - Wikipedia
Day and night, we're mapping the sky (and producing terabytes of data) – National Radio Astronomy Observatory
Galaxy - Extragalactic, Nebulae, Stars | Britannica
Galactic and Extragalactic Radio Astronomy (Astronomy and astrophysics Library): Verschuur, Gerrit L., Kellermann, Kenneth I.: 9783540965756: Amazon.com: Books
New Image Reveals Possible Origins of “Odd Radio Circles” - Sky & Telescope - Sky & Telescope
Galactic and Extra-Galactic Radio Astronomy: Gerrit L. Verschuur & Kenneth I. Kellermann, editors: 9780387065045: Amazon.com: Books
Unravelling an extragalactic enigma – Space News | Particle
EHT pinpoints dark heart of the nearest radio galaxy | EHT-Japan
Galactic and Extragalactic Radio Astronomy - Gerrit L. Verschuur, Kenneth I. Kellermann - Google Books
EHT pinpoints dark heart of the nearest radio | EurekAlert!
Galactic and Extra-Galactic Radio Astronomy: Verschuur, G.L., Kellermann, K.I., Brunt, V. van: 9783642961809: Amazon.com: Books
Have We Found the Closest Extragalactic Fast Radio Burst? | astrobites
Galactic and Extra-Galactic Radio Astronomy: Verschuur, G.L., Kellermann, K.I., Brunt, V. van: 9783642961809: Amazon.com: Books
News from SKA pathfinder telescopes - Issuu
Image Release: A Radio-Optical View of the Galaxy Hercules A - National Radio Astronomy Observatory