
December 17
Interacting Galaxies Arp 273
Observed in 2010
Arp 273 is of a pair of interacting galaxies that form a shape resembling a rose. The larger of the spiral galaxies, known as UGC 1810, has a disk that is distorted by the gravitational pull of the galaxy below it, known as UGC 1813.
Image credit: NASA, ESA, Hubble Space Telescope