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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.
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]
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-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]
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.
At 1.63 times Earth's radius Kepler-452b is the first discovered near-Earth-size planet in the "habitable zone" around a G2-type Sun-like star (July 2015). [ 216 ] Planetary system
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For instance, if a Kepler-like mission conducted by aliens observed Earth transiting the Sun, there is a 7% chance that it would also see Venus transiting. [82] Kepler's 115 deg 2 field of view gives it a much higher probability of detecting Earth-sized planets than the Hubble Space Telescope, which has a field of view of only 10 sq. arc ...