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An exoplanet or extrasolar planet is a planet outside the Solar System. The first possible evidence of an exoplanet was noted in 1917 but was not then recognized as such. The first confirmed detection of an exoplanet was in 1992 around a pulsar, and the first detection around a main-sequence star was in 1995. A different planet, first detected ...
List of extrasolar candidates for liquid water; List of hottest exoplanets; List of coolest exoplanets; List of multiplanetary systems; List of nearest exoplanets; List of nearest terrestrial exoplanet candidates; List of potentially habitable exoplanets; List of proper names of exoplanets; List of largest exoplanets; List of smallest exoplanets
First extrasolar planet discovered by indirect imaging (visible light) Found in 2020 to be a debris cloud from a collision of asteroids rather than a planet 2015 NameExoWorlds Tadmor: Ancient Palmyrene and modern Arabic name for Palmyra: Gamma Cephei A (Errai) 1.85 903.3 2.05 radial vel. 2003 45.0 1.4 2015 NameExoWorlds Meztli
51 Pegasi b, officially named Dimidium / d ɪ ˈ m ɪ d i ə m /, is an extrasolar planet approximately 50 light-years (15 parsecs) away in the constellation of Pegasus.It was the first exoplanet to be discovered orbiting a main-sequence star, [3] the Sun-like 51 Pegasi, and marked a breakthrough in astronomical research.
Planet Taphao Thong was discovered in 1996 and was one of the first exoplanets to be discovered. [48] The planet was the first long-period extrasolar planet discovered. The other planets were discovered later. [49] Nu 2 Lupi: Lupus: 15 h 21 m 49.57 s: −48° 19′ 01.1″ 5.65: 47: G2V: 0.906: 5664: 10.36: 3
While no scientist has stated to believe GJ 1214 b is an ocean planet, if GJ 1214 b is assumed to be an ocean planet, [22] i.e. the interior is assumed to be composed primarily of a water core surrounded by more water, proportions of the total mass consistent with the mass and radius are about 25% rock and 75% water, covered by a thick envelope ...
Planets orbiting primary of wide binary system. [101] [102] Host star also known as CD-38 1467. TOI 451 d: 0.3598 ± 0.0134 16.364981 +0.000047 −0.000049: 0.1255 +0.0057 −0.0065: 708 +15 −12: transit 405.1 ± 1.3 0.94 ± 0.025 5,550 ± 56 Planets orbiting primary of wide binary system [101] [102] Host star also known as CD-38 1467. TOI ...
In addition to detecting planets itself, Kepler has also uncovered the properties of three previously known extrasolar planets. Public Kepler data has also been used by groups independent of NASA, such as the Planet Hunters citizen-science project, to detect several planets orbiting stars collectively known as Kepler Objects of Interest.