noun
Meaning 1
A type of galaxy that is annulus-shaped, as the result of having collided with another galaxy, that punched through the now collisional ring galaxy's former disc, producing the ring.
Definition source: English Wiktionary via Wiktextract
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided