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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.   
      
                                    2022 May 31   
      
                           Rocket Transits Rippling Sun   
                      Image Credit & Copyright: Michael Cain   
      
      Explanation: The launch of a rocket at sunrise can result in unusual   
      but intriguing images that feature both the rocket and the Sun. Such   
      was the case last month when a SpaceX Falcon 9 rocket blasted off from   
      NASA's Kennedy Space Center carrying 53 more Starlink satellites into   
      low Earth orbit. In the featured launch picture, the rocket's exhaust   
      plume glows beyond its projection onto the distant Sun, the rocket   
      itself appears oddly jagged, and the Sun's lower edge shows peculiar   
      drip-like ripples. The physical cause of all of these effects is   
      pockets of relatively hot or rarefied air deflecting sunlight less   
      strongly than pockets relatively cool or compressed air: refraction.   
      Unaware of the Earthly show, active sunspot region 3014 -- on the upper   
      left -- slowly crosses the Sun.   
      
                          Tomorrow's picture: big dragons   
        __________________________________________________________________   
      
          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   
                                & Michigan Tech. U.   
      
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