Kepler-420
                
                  
                  
                
                作者:Galaxy-Leaper
                发布日期:
                Kepler-420 is a binary star system of a K-type main sequence and a Sun-like star about 2,900 light-years away in the constellation Cygnus. The larger Sun-like star has a Jupiter-sized gas giant planet completing an eccentric orbit once every 86 days
                
                  
                
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