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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.
HD 7924 b is a super-Earth exoplanet with a minimum mass 9.2 times that of Earth and takes only about 129.5 hours to orbit the star, at an average distance of 8,500,000 km (5,300,000 mi). When HD 7924 b was discovered in 2009, it was one of only eight planets known with a minimum mass less than 10 Earths. [ 1 ]
The planet is weighed at 7.42 Earth masses, yielding an average density of 10.4 ± 1.8 g cm −3, far higher than the Earth's and similar to that of the second rocky planet found, Kepler-10b. A last study by Ferraz-Mello et al. [ 13 ] improved the approach used in the discovery paper, finding that it downsized the amplitude of the planets ...
Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. ... Just 1,477 miles across, it's only one-fifth the diameter of Earth.
Many trans-Neptunian objects (TNOs) have been discovered; in many cases their positions in this list are approximate, as there is frequently a large uncertainty in their estimated diameters due to their distance from Earth. Solar System objects more massive than 10 21 kilograms are known or expected to be approximately spherical.
On 15 April 2019, TESS' first discovery of an earth-sized planet was reported. HD 21749 c is a planet described as "likely rocky", with about 89% of Earth's diameter and orbits the K-type main sequence star HD 21749 in about 8 days. The planet's surface temperature is estimated to be as high as 427 °C.
Kepler-62e (also known by its Kepler Object of Interest designation KOI-701.03) is a super-Earth exoplanet (extrasolar planet) discovered orbiting within the habitable zone of Kepler-62, the second outermost of five such planets discovered by NASA's Kepler spacecraft.
PSR B1257+12 C, alternatively designated PSR B1257+12 d and also named Phobetor, is a super-Earth exoplanet orbiting the pulsar Lich approximately 2,315 light-years (710 parsecs; 22 quadrillion kilometres) away from Earth in the constellation of Virgo. It was one of the first planets ever discovered outside the Solar System.
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