noun (plural supergalaxies)
Another term for supercluster.
- The role of galaxy destruction by merging, leading to a new supergalaxy, has been underappreciated until recently.
- Astronomy extends from the tiny moons around Mars to vast supergalaxies billions of light years away, worm - holes, and tachyons.
- It is believed that dark matter predominates in galaxies and supergalaxies, and is the key to understanding how galaxies form and how the large structure of the cosmos is created.
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