Arp 148 is the aftermath of an encounter between two galaxies, resulting in a ring-shaped galaxy and an elongated companion. The shapes and arrangement of the galaxies suggest that this is a snapshot of an ongoing collision.

Universe Calendar Observing Fascinating Cosmic Wonders
Arp 148 is the aftermath of an encounter between two galaxies, resulting in a ring-shaped galaxy and an elongated companion. The shapes and arrangement of the galaxies suggest that this is a snapshot of an ongoing collision.