What are the characteristics of interacting galaxies?
| September 16, 2020 | Education
Interacting galaxies are gravitationally bound together, causing tidal distortions in the shape of galaxies. For example, Stephen’s Quintet is five closely spaced interacting galaxies. If galaxies in their motion closely resemble each other, then they can experience strong gravitational interaction at a distance, without even touching. With mutual penetration, galaxies can even merge with each other over several hundred million years.
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