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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.   
      
                                    2024 May 9   
      
                   The Galaxy, the Jet, and a Famous Black Hole   
      Image Credit: NASA, JPL-Caltech, Event Horizon Telescope Collaboration   
      
      Explanation: Bright elliptical galaxy Messier 87 (M87) is home to the   
      supermassive black hole captured in 2017 by planet Earth's Event   
      Horizon Telescope in the first ever image of a black hole. Giant of the   
      Virgo galaxy cluster about 55 million light-years away, M87 is rendered   
      in blue hues in this infrared image from the Spitzer Space telescope.   
      Though M87 appears mostly featureless and cloud-like, the Spitzer image   
      does record details of relativistic jets blasting from the galaxy's   
      central region. Shown in the inset at top right, the jets themselves   
      span thousands of light-years. The brighter jet seen on the right is   
      approaching and close to our line of sight. Opposite, the shock created   
      by the otherwise unseen receding jet lights up a fainter arc of   
      material. Inset at bottom right, the historic black hole image is shown   
      in context at the center of giant galaxy, between the relativistic   
      jets. Completely unresolved in the Spitzer image, the supermassive   
      black hole surrounded by infalling material is the source of enormous   
      energy driving the relativistic jets from the center of active galaxy   
      M87. The Event Horizon Telescope image of M87 has been enhanced to   
      reveal a sharper view of the famous supermassive black hole.   
      
                    It's inescapable: Black Hole Week at NASA!   
                      Tomorrow's picture: pixels in spacetime   
        __________________________________________________________________   
      
          Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)   
               NASA Official: Amber Straughn Specific rights apply.   
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                         A service of: ASD at NASA / GSFC,   
                              NASA Science Activation   
                                & Michigan Tech. U.   
      
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