A vivid Hubble image showing the interacting galaxy pair Arp 273. The larger galaxy, UGC 1810, dominates the upper part of the frame with a distorted spiral shape and a prominent blue outer ring, caused by intense star formation. Below it, the smaller companion galaxy appears stretched by gravitational forces. The scene is filled with distant background galaxies and a few bright foreground stars.
UGC 1810: Wildly Interacting Galaxy from Hubble
UGC 1810 is colliding with a smaller galaxy, forming Arp 273. Its blue ring is packed with young, hot stars. This stunning pair lies 300 million light-years away in Andromeda.
Domingo Pestana / NASA APOD
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