A stunner from the Hubble Space Telescope pretty picture machine, aka the Advanced Camera for Surveys. The galaxy is NGC4921, a spiral in the Coma cluster, one of the closest major clusters of galaxies. You can read more background about the Coma cluster and the galaxy itself in the press release here – but for now just leave it on your screen and stare at it for a while. Don’t forget to explore the myriad of galaxies in the background, all with their own amazing shapes, colours and structures.
Image credit: NASA, ESA, K. Cook (Lawrence Livermore National Laboratory, USA)
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