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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.   
      
                                  2024 January 26   
      
                          Epsilon Tauri: Star with Planet   
                        Image Credit & Copyright: Reg Pratt   
      
      Explanation: Epsilon Tauri lies 146 light-years away. A K-type red   
      giant star, epsilon Tau is cooler than the Sun, but with about 13 times   
      the solar radius it has nearly 100 times the solar luminosity. A member   
      of the Hyades open star cluster the giant star is known by the proper   
      name Ain, and along with brighter giant star Aldebaran, forms the eyes   
      of Taurus the Bull. Surrounded by dusty, dark clouds in Taurus, epsilon   
      Tau is also known to have a planet. Discovered by radial velocity   
      measurements in 2006, Epsilon Tauri b is a gas giant planet larger than   
      Jupiter with an orbital period of 1.6 years. And though the exoplanet   
      can't be seen directly, on a dark night its parent star epsilon Tauri   
      is easily visible to the unaided eye.   
      
                         Tomorrow's picture: light-weekend   
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          Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)   
               NASA Official: Amber Straughn Specific rights apply.   
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                         A service of: ASD at NASA / GSFC,   
                              NASA Science Activation   
                                & Michigan Tech. U.   
      
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