Hubble image of Arp 204, also known as UGC 8454. This is likely at least two interacting galaxies connected by a long tidal tail. Encounters between the galaxies have distorted their shapes, making a somewhat puzzling mess. Credit: NASA, ESA, STScI, J. Dalcanton, Judy Schmidt Source:

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Arp 204

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Hubble and NuStar image of Arp 299, also known as NGC 3690. NuSTAR data overlaid on a Hubble image of the interacting galaxy pair show the galaxy on the right has an active supermassive black hole. It is accreting the surrounding gas and glowing brightly in X-rays. Credit: NASA, JPL-Caltech, GSFC Source: https://www.nustar.caltech.edu/image/nustar150108c #ArpGalaxy #Galaxy #Space #Astronony