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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.   
      
                                    2025 May 8   
          The Crab Nebula, M1, is shown as imaged by the James Webb Space   
        Telescope. The rollover image is the same Crab Nebula but this time   
        from the Hubble Space Telescope. The Webb image is in near infrared   
         light, while the Hubble image is in visible light. Please see the   
                    explanation for more detailed information.   
      
                         M1: The Incredible Expanding Crab   
       Image Credit: NASA, ESA, CSA, STScI; Jeff Hester (ASU), Allison Loll   
                      (ASU), Tea Temim (Princeton University)   
      
      Explanation: Cataloged as M1, the Crab Nebula is the first on Charles   
      Messier's famous list of things which are not comets. In fact, the Crab   
      Nebula is now known to be a supernova remnant, an expanding cloud of   
      debris from the death explosion of a massive star. The violent birth of   
      the Crab was witnessed by astronomers in the year 1054. Roughly 10   
      light-years across, the nebula is still expanding at a rate of about   
      1,500 kilometers per second. You can see the expansion by comparing   
      these sharp images from the Hubble Space Telescope and James Webb Space   
      Telescope. The Crab's dynamic, fragmented filaments were captured in   
      visible light by Hubble in 2005 and Webb in infrared light in 2023.   
      This cosmic crustacean lies about 6,500 light-years away in the   
      constellation Taurus.   
      
                  Tomorrow's picture: interstellar particle beams   
        __________________________________________________________________   
      
          Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)   
               NASA Official: Amber Straughn Specific rights apply.   
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                                & Michigan Tech. U.   
      
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