In this pair of gravitationally interacting galaxies called Arp 147, the blue ring-shaped galaxy's distinctive look was probably created when the galaxy on the left passed through the galaxy on the right.
Interacting Galaxies Arp 147

In this pair of gravitationally interacting galaxies called Arp 147, the blue ring-shaped galaxy's distinctive look was probably created when the galaxy on the left passed through the galaxy on the right.