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Kepler-452b (sometimes quoted to be an Earth 2.0 or Earth's Cousin [4] [5] based on its characteristics; also known by its Kepler object of interest designation KOI-7016.01) is a candidate [6] [7] super-Earth exoplanet orbiting within the inner edge of the habitable zone of the sun-like star Kepler-452 and is the only planet in the system discovered by the Kepler space telescope.
Due to this, Kepler-452b is receiving roughly 10% more stellar radiation than the Earth does today. If Kepler-452b is a rocky planet, it might be subject to a runaway greenhouse effect . However, because of its mass (estimated to be about 5 M E ), it may be able to prevent succumbing to the runaway greenhouse for a limited amount of time (at ...
Kepler-452b lies 1400 light-years from Earth, in the Cygnus constellation. [45] Its radius of about 1.6 R ⊕ [46] places it right on the boundary separating telluric planets from mini-Neptunes established by the team of Courtney Dressing, a researcher at the Harvard-Smithsonian Center for Astrophysics (CfA). [47]
Kepler-69c has gone through a similar process; though initially estimated to be potentially habitable, [69] it was quickly realized that the planet is more likely to be similar to Venus, [70] and is thus no longer considered habitable. [1]
Illustration of the inferred size of the super-Earth CoRoT-7b (center) in comparison with Earth and Neptune. A Super-Earth or super-terran or super-tellurian is a type of exoplanet with a mass higher than Earth, but substantially below those of the Solar System's ice giants, Uranus and Neptune, which are 14.5 and 17.1 times Earth's, respectively. [1]
K2-18b, also known as EPIC 201912552 b, is an exoplanet orbiting the red dwarf K2-18, located 124 light-years (38 pc) away from Earth.The planet is a sub-Neptune about 2.6 times the radius of Earth, with a 33-day orbit within the star's habitable zone.
Kepler-442b [1] [4] [5] (also known by its Kepler object of interest designation KOI-4742.01) is a confirmed near-Earth-sized exoplanet, likely rocky, orbiting within the habitable zone of the K-type main-sequence star [6] Kepler-442, about 1,196 light-years (367 pc) from Earth in the constellation of Lyra.
Kepler-452b, a rocky super-Earth-type planet, is said to be similar to the Star Wars planet Coruscant. Likewise, the planets Kepler-16b and Kepler-453b, planets discovered orbitting binary stars probably resemble the desert world Tatooine. The hot, molten worlds of Kepler-10b and Kepler-78b are comparable to the volcanic planet Mustafar.