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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.   
      
                                  2023 January 24   
      An illustration showing the surface of a planet that has red lava flows   
       and dark cliffs. A red star is seen in the background. Please see the   
                    explanation for more detailed information.   
      
                         LHS 475 b: Earth-Sized Exoplanet   
               Illustration Credit: DeepAI's Fantasy World Generator   
      
      Explanation: If you could stand on exoplanet LHS 475 b, what might you   
      see? No one knows for sure but pictured here is an interesting guess   
      made by an Earth-based artificial intelligence (AI) engine. The   
      existence of the exoplanet was indicated in data taken by the   
      Earth-orbiting TESS satellite but confirmed and further investigated   
      only this year by the near-Earth Sun-orbiting James Webb Space   
      Telescope. What is known for sure is that LHS 475 b has a mass very   
      similar to our Earth and closely orbits a small red star about 40 light   
      years away. The featured AI-illustrated guess depicts a plausibly   
      rugged Earth-like landscape replete with molten lava and with the   
      central red star rising in the distance. Webb data does not as yet   
      reveal, however, whether LHS 475 b has an atmosphere. One of Webb's   
      science objectives is to follow up previous discoveries of distant   
      exoplanets to better discern their potential for developing life.   
      
                  Comet ZTF Gallery: Notable Submissions to APOD   
                         Tomorrow's picture: a dark 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.   
      
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