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K2-18, also known as EPIC 201912552, is a red dwarf star with two planetary companions located 124 light-years (38 parsecs) [4] from Earth, in the constellation of Leo. Its name is because it was discovered by the K2 Mission , which extended the mission of the Kepler Space Telescope after failure of two of its reaction wheels.
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. This means it receives about a similar amount of starlight as the Earth receives from the Sun.
In 1980, a team of researchers consisting of Nobel Prize-winning physicist Luis Alvarez, his son, geologist Walter Alvarez, and chemists Frank Asaro and Helen Michel discovered that sedimentary layers found all over the world at the Cretaceous–Paleogene boundary contain a concentration of iridium many times greater than normal (30, 160, and ...
K2-332 b (also EPIC 211579112.01) [1] [2] is a potentially habitable Super-Earth or Mini-Neptune exoplanet with a radius of 2.2 earths. It is in the empirical habitable zone , receiving 1.17 times the light that Earth gets from the sun.
K2-38b, also designated EPIC 204221263 b, is a massive rocky exoplanet closely orbiting a Sun-like star and is one of the densest planets ever found.Discovered in 2016 by Crossfield et al. and later characterized by Sinukoff et al., K2-38b is a rocky super-Earth about 55% larger than Earth (nearly 20,000 km wide) but about 12 times more massive (around 7.2*10^25 kg, a bit less than Uranus ...
The planet was found using data from the NASA Kepler Space Telescope, K2, and the Transiting Exoplanet Survey Satellite.K2-415b was discovered in February 2023. [2]K2-415b is approximately 1.015 times the radius of Earth and is less than 7.5 times the mass of Earth.
K2-2016-BLG-0005Lb is the most distant exoplanet discovered by the Kepler space telescope, being twice the distance of its previous record. Its distance is estimated at 16,960 ly from the Earth , being discovered on January 4, 2022, thanks to an effect of gravitational microlensing from a series of data recorded in 2016, then revealed on March ...
K2-239 (also designated EPIC 248545986) is a small red dwarf star in the constellation Sextans, about 32 parsecs (101 light-years) away from Earth. [1] Observed by the Kepler Space Telescope during Campaign 14 of its K2 "Second Light" mission, it was found to have three hot, likely rocky Earth-sized planets in orbit around it.