GJ 1214 b - Wikipedia
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 from the Sun, in the constellation Ophiuchus.
GJ 1214 b - NASA Science
GJ 1214 b is a Neptune-like exoplanet that orbits a M-type star. Its mass is 8.41 Earths, it takes 1.6 days to complete one orbit of its star, and is 0.01505 AU from its star. Its discovery was announced in 2009.
NASA’s Webb Takes Closest Look Yet at Mysterious Planet
2023年5月10日 · This artist’s concept depicts the planet GJ 1214 b, a “mini-Neptune” with what is likely a steamy, hazy atmosphere. A new study based on observations by NASA’s Webb telescope provides insight into this type of planet, the most common in the galaxy. Credit: NASA/JPL-Caltech/R. Hurt (IPAC)
GJ 1214 - Wikipedia
Discovered by the MEarth Project and investigated further by the HARPS spectrograph on ESO ’s 3.6-metre telescope at La Silla, GJ 1214 b was the second super-Earth exoplanet for which astronomers determined the mass and radius, giving vital clues about its structure.
Hubble Discovers Waterworld Planet - NASA Science
2012年2月21日 · GJ1214b, shown in this artist's view, is a super-Earth orbiting a red dwarf star 40light-years from Earth. New observations from NASA's Hubble Space Telescopeshow that it is a waterworld enshrouded by a thick, steamy atmosphere.
NASA's James Webb Space Telescope Primed to Lift the Haze …
2021年11月17日 · GJ 1214 b, a warm sub-Neptune orbiting a nearby red dwarf star, has been the subject of dozens of investigations.
Scientists Discover a Waterworld Just 40 Light Years Away
2012年2月25日 · Now scientists at the Smithsonian Astrophysical Observatory (SAO) have discovered a new kind: a waterworld. The planet, named GJ1214b, is not merely covered with water like our oceans; most of it...
Hubble Reveals GJ1214b is a Waterworld Enshrouded by a
2012年2月21日 · GJ1214b, shown in this artist’s view, is a super-Earth orbiting a red dwarf star 40 light-years from Earth. New observations from NASA’s Hubble Space Telescope show that it is a waterworld enshrouded by a thick, steamy atmosphere.
Clouds in the atmosphere of the super-Earth exoplanet GJ 1214b
2014年1月1日 · Kreidberg et al. conclude that their near-infrared spectra are consistent with the presence of high-altitude clouds that obscure the lower layers of GJ 1214b. Recent surveys have revealed that...
A ground-based transmission spectrum of the super-Earth ... - Nature
2010年12月1日 · A team using the Very Large Telescope in Chile's Atacama Desert has obtained a transmission spectrum for GJ1214b between 780 nanometres and 1,000 nanometres that rules out cloud-free atmospheres...
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