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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 March 1   
      
                            Dueling Bands in the Night   
                     Image Credit & Copyright: Jeff Dai (TWAN)   
      
      Explanation: What are these two bands in the sky? The more commonly   
      seen band is the one on the right and is the central band of our Milky   
      Way galaxy. Our Sun orbits in the disk of this spiral galaxy, so that   
      from inside, this disk appears as a band of comparable brightness all   
      the way around the sky. The Milky Way band can also be seen all year --   
      if out away from city lights. The less commonly seem band, on the left,   
      is zodiacal light -- sunlight reflected from dust orbiting the Sun in   
      our Solar System. Zodiacal light is brightest near the Sun and so is   
      best seen just before sunrise or just after sunset. On some evenings in   
      the north, particularly during the months of March and April, this   
      ribbon of zodiacal light can appear quite prominent after sunset. It   
      was determined only this century that zodiacal dust was mostly expelled   
      by comets that have passed near Jupiter. Only on certain times of the   
      year will the two bands be seen side by side, in parts of the sky, like   
      this. The featured image, including the Andromeda galaxy and a meteor,   
      was captured in late January over a frozen lake in Kanding, Sichuan,   
      China.   
      
                     Tomorrow's picture: it came from the sun   
        __________________________________________________________________   
      
          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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