Burçin Mutlu-Pakdil: A rare galaxy that's challenging our understanding of the universe | TED Talk
Galaxy Collisions: Ring & Elliptical Galaxies - Video & Lesson Transcript | Study.com
Why do some galaxies stop making new stars?
A century of astronomy revealed Earth's place in the universe - Century of Science | Science News
New Galaxy Zoo Mobile challenge – Ringed Galaxies | Galaxy Zoo
Galaxy Morphology - Ronald J. Buta
Sombrero Galaxy: Hidden Double in a Hat | Space
New General Catalog Objects: NGC 4700 - 4749
Galaxy Collisions: Ring & Elliptical Galaxies - Video & Lesson Transcript | Study.com
Galaxy Morphology - Ronald J. Buta
Astounding double-ringed galaxy 'unlike any seen before' — RT Viral
New Galaxy Zoo Mobile challenge – Ringed Galaxies | Galaxy Zoo
New Galaxy Zoo Mobile challenge – Ringed Galaxies | Galaxy Zoo
Types | Galaxies – NASA Universe Exploration
The sky's best elliptical galaxies
Astronomers Discover Incredibly Rare Double-Ringed Galaxy | IFLScience
Type Of Galaxies | Facts, Information, History & Definition
Elliptical Galaxies | Space
Galaxy Morphology - Ronald J. Buta
What are the differences between elliptical, irregular, and spiral galaxies? - Quora
Double-Ringed Elliptical Galaxy Spotted 372 Million Light-Years Away | Astronomy | Sci-News.com
Galaxy - Elliptical, Spiral, Irregular | Britannica
Galaxy Morphology - Ronald J. Buta
