Philip Appleton Quotes
We know that these galaxies are involved in vast mergers and collisions. It's possible that some of the emission we see from them is created not by stars, but by vast shocks in the gas between colliding galaxies. 
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Galaxies | Involved | Vast | Mergers | Collisions |
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We know that these galaxies are involved in vast mergers and collisions. It's possible that some of the emission we see from them is created not by stars, but by vast shocks in the gas between colliding galaxies.
- Philip Appleton
