MSGID: 1:153/757.0 820a3e1f   
   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.   
      
                                   2022 July 21   
      
                               Messier 10 and Comet   
                  Image Credit & Copyright: German Penelas Perez   
      
      Explanation: Imaged on July 15 2022, comet C/2017 K2 (PanSTARRS) had a   
      Messier moment, sharing this wide telescopic field of view with   
      globular star cluster Messier 10. Of course M10 was cataloged by 18th   
      century comet hunter Charles Messier as the 10th object on his list of   
      things that were definitely not comets. While M10 is about 14 thousand   
      light-years distant, this comet PanSTARRS was about 15 light-seconds   
      from our fair planet following its its July 14 closest approach. Its   
      greenish coma and dust tail entertaining 21st century comet watchers,   
      C/2017 K2 is expected to remain a fine telescopic comet in northern   
      summer skies. On a maiden voyage from our Solar System's remote Oort   
      Cloud this comet PanSTARRS was discovered in May 2017 when it was   
      beyond the orbit of Saturn. At the time that made it the most distant   
      active inbound comet known. Its closest approach the Sun will be within   
      1.8 astronomical units on December 19, beyond the orbital distance of   
      Mars.   
      
                        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.   
      
   --- BBBS/Li6 v4.10 Toy-6   
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