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| − | Tau Ceti is a star 11.9 light-years from Earth. It has a planetary system of at least 5 planets, one of which, Tau Ceti e, is in the star's habitable zone. Tau Ceti e has a mass of 4.3 Earth masses. |
+ | Tau Ceti is a star of G8.5 V spectral class at a distance of 11.9 light-years from Earth. It has a planetary system of at least 5 planets, one of which, Tau Ceti e, is in the star's habitable zone. Tau Ceti e has a mass of 4.3 Earth masses. |
Revision as of 23:57, 10 April 2017
Tau Ceti is a star of G8.5 V spectral class at a distance of 11.9 light-years from Earth. It has a planetary system of at least 5 planets, one of which, Tau Ceti e, is in the star's habitable zone. Tau Ceti e has a mass of 4.3 Earth masses.