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   TZUTC: -0700   
   CHRS: LATIN-1 2   
                           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 April 9   
       A dark starfield is dominated by a red cone-like nebula with its base   
      on the bottom right and extending diagonally through the image. At the   
       peak of the cone toward the upper left is a background spiral galaxy.   
             Please see the explanation for more detailed information.   
      
                         HH 49: Interstellar Jet from Webb   
                     Image Credit: NASA, ESA, CSA, STScI, JWST   
      
      Explanation: What's at the tip of this interstellar jet? First let's   
      consider the jet: it is being expelled by a star system just forming   
      and is cataloged as Herbig-Haro 49 (HH 49). The star system expelling   
      this jet is not visible -- it is off to the lower right. The complex   
      conical structure featured in this infrared image by the James Webb   
      Space Telescope also includes another jet cataloged as HH 50. The fast   
      jet particles impact the surrounding interstellar gas and form shock   
      waves that glow prominently in infrared light -- shown here as   
      reddish-brown ridges. This JWST image also resolved the mystery of the   
      unusual object at HH 49's tip: it is a spiral galaxy far in the   
      distance. The blue center is therefore not one star but many, and the   
      surrounding circular rings are actually spiral arms.   
      
                  Jump Around the Universe: Random APOD Generator   
                          Tomorrow's picture: open space   
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          Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)   
               NASA Official: Amber Straughn Specific rights apply.   
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                                & Michigan Tech. U.   
      
   --- BBBS/Li6 v4.10 Toy-7   
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