https://www.universetoday.com/165030/the-oldest-known-spiral-galaxy-has-ripples-like-the-surface-of-a-pond/
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1/3/24 at 7:24pm
Organization
Universe Today
Author
Evan Gough
Astronomers have found pond-like ripples on the gaseous disk of the oldest known barred spiral galaxy. What do the ripples tell us?
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