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   ESSNASA      Earth & Space Sci-Tech + NASA      10,823 messages   

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   Message 8,456 of 10,823   
   Alan Ianson to All   
   Daily APOD Report   
   27 Sep 22 00:12:18   
   
   MSGID: 1:153/757.0 d9eb8706   
   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 September 27   
      
                        DART: Impact on Asteroid Dimorphos   
                         Video Credit: NASA, JHUAPL, DART   
      
      Explanation: Could humanity deflect an asteroid headed for Earth? Yes.   
      Deadly impacts from large asteroids have happened before in Earth's   
      past, sometimes causing mass extinctions of life. To help protect our   
      Earth from some potential future impacts, NASA tested a new planetary   
      defense mechanism yesterday by crashing the robotic Double Asteroid   
      Redirection Test (DART) spacecraft into Dimorphos, a small asteroid   
      spanning about 170-meters across. As shown in the featured video, the   
      impact was a success. Ideally, if impacted early enough, even the kick   
      from a small spacecraft can deflect a large asteroid enough to miss the   
      Earth. In the video, DART is seen in a time-lapse video first passing   
      larger Didymos, on the left, and then approaching the smaller   
      Dimorphos. Although the video ends abruptly with DART's crash,   
      observations monitoring the changed orbit of Dimorphos -- from   
      spacecraft and telescopes around the world -- have just begun.   
      
                          Tomorrow's picture: furious sky   
        __________________________________________________________________   
      
          Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)   
               NASA Official: Phillip Newman Specific rights apply.   
                   NASA Web Privacy Policy and Important Notices   
                         A service of: ASD at NASA / GSFC,   
                              NASA Science Activation   
                                & Michigan Tech. U.   
      
   --- BBBS/Li6 v4.10 Toy-6   
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