Elliptical Galaxy Lesson for Kids: Definition & Facts | Study.com
Ring galaxies, the rarest in the Universe, finally explained - Big Think
What is a galaxy? - BBC Sky at Night Magazine
Why don't we see young stars inside elliptical galaxies even though there are central super-massive blackholes that can power up those stars for billions of years? - Quora
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Elliptical Galaxies
Elliptical Galaxies | Space
Dwarf elliptical galaxy - Wikipedia
Galaxy Morphology - Ronald J. Buta
Do elliptical galaxies have a bulge? - Quora
Galaxies | HubbleSite
What is the definition of an elliptical galaxy? - Quora
Galaxy - Elliptical, Spiral, Irregular | Britannica