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GJ 1214 b (sometimes Gliese 1214 b, [6] also named Enaiposha since 2023 [2]) is an exoplanet that orbits the star GJ 1214, and was discovered in December 2009. Its parent star is 48 light-years (15 pc) from the Sun, in the constellation Ophiuchus. At the time of its discovery, GJ 1214 b was the most likely known candidate for being an ocean planet.
The Kepler space telescope is a defunct space telescope launched by NASA in 2009 [5] to discover Earth-sized planets orbiting other stars. [6] [7] Named after astronomer Johannes Kepler, [8] the spacecraft was launched into an Earth-trailing heliocentric orbit.
The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
Kepler has also measured the reflected light from some planets already known, discovering planets undetectable with the transit method [15] as well as improving knowledge of the characteristics of planets already discovered. [16] On February 26, 2014, NASA announced the discovery of 715 newly verified exoplanets around 305 stars by the Kepler ...
Discovery year Note and reference Planet according to IAU working definition L 34-26 WISEPA J075108.79-763449.6 (COCONUTS-2b) 36 11.3 6471 4.4-7.8 2011/2021 first discovered with WISE in 2011, but planet status was established in 2021 by taking the listed proper motion of the planet and matching it with the Gaia proper motion of the star [82 ...
The team released a paper of their findings dated 27 April 2007, published in the July 2007 journal Astronomy & Astrophysics. [1] At the time of discovery, it was reported to be the first potentially Earth-like planet in the habitable zone of its star [5] [6] and the smallest-known exoplanet around a main-sequence star, but on 21 April 2009, another planet orbiting Gliese 581, Gliese 581e ...
30 planets: On October 19, it was announced that 30 new planets were discovered, all were detected by the radial velocity method. It is the most planets ever announced in a single day during the exoplanet era [clarification needed]. October 2009 now holds the most planets discovered in a month, breaking the record set in June 2002 and August ...
The Discovery Program is a series of Solar System exploration missions funded by the U.S. National Aeronautics and Space Administration (NASA) through its Planetary Missions Program Office. The cost of each mission is capped at a lower level than missions from NASA's New Frontiers or Flagship Programs. As a result, Discovery missions tend to be ...