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                           Astronomy Picture of the Day   
      
       Discover the cosmos! Each day a different image or photograph of our   
         fascinating universe is featured, along with a brief explanation   
                       written by a professional astronomer.   
      
                                  2023 January 26   
      
                              Active Galaxy NGC 1275   
        Image Credit: NASA, ESA, Hubble Heritage, A. Fabian (University of   
                                  Cambridge, UK)   
      
      Explanation: Active galaxy NGC 1275 is the central, dominant member of   
      the large and relatively nearby Perseus Cluster of Galaxies.   
      Wild-looking at visible wavelengths, the active galaxy is also a   
      prodigious source of x-rays and radio emission. NGC 1275 accretes   
      matter as entire galaxies fall into it, ultimately feeding a   
      supermassive black hole at the galaxy's core. This color composite   
      image made from Hubble Space Telescope data recorded during 2006. It   
      highlights the resulting galactic debris and filaments of glowing gas,   
      some up to 20,000 light-years long. The filaments persist in NGC 1275,   
      even though the turmoil of galactic collisions should destroy them.   
      What keeps the filaments together? Observations indicate that the   
      structures, pushed out from the galaxy's center by the black hole's   
      activity, are held together by magnetic fields. Also known as Perseus   
      A, NGC 1275 spans over 100,000 light years and lies about 230 million   
      light years away.   
      
                        Tomorrow's picture: pixels in space   
        __________________________________________________________________   
      
          Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)   
               NASA Official: Phillip Newman Specific rights apply.   
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                         A service of: ASD at NASA / GSFC,   
                              NASA Science Activation   
                                & Michigan Tech. U.   
      
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