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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 April 15   
      A picture of the unusual galaxy M82 is on the left, while the center is   
        expanding and shown in a JWST image on the right. Many red-glowing   
       filaments eminate out from the plane of the spiral galaxy. Please see   
                  the explanation for more detailed information.   
      
                       The Cigar Galaxy from Hubble and Webb   
            Image Credit: NASA, ESA, CSA, STScI, Alberto Bolatto (UMD)   
      
      Explanation: Something strange happened to this galaxy, but what? Known   
      as the Cigar Galaxy and cataloged as M82, red glowing gas and dust are   
      being cast out from the center. Although this starburst galaxy was   
      surely stirred up by a recent pass near its neighbor, large spiral   
      galaxy M81, this doesn't fully explain the source of the red-glowing   
      outwardly expanding gas and dust. Evidence indicates that this material   
      is being driven out by the combined emerging particle winds of many   
      stars, together creating a galactic superwind. In the featured images,   
      a Hubble Space Telescope image in visible light is shown on the left,   
      while a James Webb Space Telescope image of the central region in   
      infrared light is shown on the right. Detailed inspection of the new   
      Webb image shows, unexpectedly, that this red-glowing dust is   
      associated with hot plasma. Research into the nature of this strange   
      nearby galaxy will surely continue.   
      
      Total Eclipse Imagery: Notable Submissions to APOD Tomorrow's picture:   
                                   hot star mess   
        __________________________________________________________________   
      
          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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