Kepler-69

Kepler-69 (also known as KOI-172, 2MASS J19330262+4452080 and KIC 8692861) is a G-type main sequence star that is similar to the Sun. It is located about 2,430 light years away from the Earth in the constellation Cygnus. It has a radius of 0.93 times smaller than the Sun. On April 18, 2013 It was announced that two exoplanets were found orbiting this star,^[1]^[2] but further studies have shown that the terrestrial planet Kepler-69c is not in the habitable zone and is more like Venus than Earth, making it a lifeless planet.

References

↑ Barclay, Thomas; et al. (2013). "A Super-Earth-Sized Planet Orbiting in or Near the Habitable Zone Around a Sun-Like Star". The Astrophysical Journal. 768 (2): 101. doi:10.1088/0004-637X/768/2/101.
↑ Michele, Johnson; J.D, Harrington (18 April 2013). "NASA's Kepler Discovers Its Smallest 'Habitable Zone' Planets to Date". NASA. Archived from the original on 2020-05-08. Retrieved 2023-05-08.

[1] Barclay, Thomas; et al. (2013). "A Super-Earth-Sized Planet Orbiting in or Near the Habitable Zone Around a Sun-Like Star". The Astrophysical Journal. 768 (2): 101. doi:10.1088/0004-637X/768/2/101.

[2] Michele, Johnson; J.D, Harrington (18 April 2013). "NASA's Kepler Discovers Its Smallest 'Habitable Zone' Planets to Date". NASA. Archived from the original on 2020-05-08. Retrieved 2023-05-08.

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