Astronomy · Irregular Galaxies
What is the primary cause behind the formation of most irregular galaxies?
- 1The uniform expansion of the universe cooling cosmic dust clouds
- 2The sudden exhaustion of dark matter within a spiral galaxy
- 3The rapid rotation of supermassive black holes at the galactic center
- 4Gravitational interactions or collisions between formerly regular galaxies✓
Correct answer
Gravitational interactions or collisions between formerly regular galaxies
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