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The description is based on the spectral class. It’s a super-Earth, intermediate in size between Earth and Neptune. Discovered in 2009, the planet is about 2.7 times Earth’s diameter and is almost 7 … Comparative dimensions of Gliese 1214 b. em 16 de dezembro de 2009. GJ 1214 b juga dikenal sebagai Gliese 1214 b adalah bumi super luar surya yang mengorbit bintang GJ 1214.Planet ini ditemukan pada bulan November tahun 2009 dan berjarak sekitar 40 tahun cahaya dari Bumi.GJ 1214 b terletak di rasi bintang Ophiuchus dan merupakan planet luar surya kedua yang memiliki massa dan jari-jari lebih kecil daripada raksasa gas di Tata Surya. Using the fraction of Gliese 1214b’s luminosity to the Sun’s luminosity, I calculated these boundaries. The mass of the planet can be inferred from sensitive observations of the parent star's radial velocity, measured through small shifts in stellar spectral lines due to the Doppler effect. An Upper Limit on the Extended Helium Atmosphere of GJ 1214 b 2020 PETIT dit de la ROCHE D., van den ANCKER M. & MILES-PAEZ P. Res. 0.05%). November 9, 2015 / Marc Kaufman / 0 Comments. [1] Given the planet's mass and radius, its density can be calculated. Due to the relatively small size of GJ 1214 b's parent star, it is feasible to perform spectroscopic observations during planetary transits. Elle est située à environ 40 années-lumière du Soleil. [10], Coordinates: 17h 15m 18.94s, +4° 57′ 49.7″, "Identification of a Constellation From a Position", Centre de données astronomiques de Strasbourg, "Astronomers Find Super-Earth Using Amateur, Off-the-Shelf Technology", Astronomers Find World with Thick, Inhospitable Atmosphere and an Icy Heart, https://en.wikipedia.org/w/index.php?title=Gliese_1214&oldid=982517967, Planetary systems with one confirmed planet, Creative Commons Attribution-ShareAlike License, This page was last edited on 8 October 2020, at 17:10. After COROT-7b, it was the second super-Earth to be known[1] and is the first of a new class of planets with small size and relatively low density. In early 2009, the astronomers running the project noticed that the star GJ 1214 appeared to show drops in brightness of that sort. [12] Further observations are necessary to determine the composition of its atmosphere. [3] It is located at a distance of approximately 47 light years from Earth. Based on the spectral type (M4.5) of the star, the star's colour is red . [14], Media related to GJ 1214 b at Wikimedia Commons, Coordinates: 17h 15m 18.94s, +4° 57′ 49.7″, "Open Exoplanet Catalogue – Gliese 1214 b", "Mass–radius relationships for solid exoplanets", "10 Real Planets That Are Stranger Than Science Fiction", "Release 13-383 – NASA's Hubble Sees Cloudy Super-Worlds With Chance for More Clouds", "Astronomers Find Super-Earth Using Amateur, Off-the-Shelf Technology", Astronomers Find World with Thick, Inhospitable Atmosphere and an Icy Heart. & JIANG-HUI J. A paper was then published in Nature announcing the planet and giving estimates of its mass, radius, and orbital parameters. Artist’s impression of GJ 1214 b in transit.tif 3,445 × 2,584; 15 MB It is located at a distance of approximately 47 light years from Earth. planet koji se sastoji od jezgre i masivnog ocenana, uz planet Kepler-22b. Like other ocean planets, it has a surface that is extremely sensitive to the touch of anything, especially asteroids, which means it hates them. [1] Foi descoberto por David Charbonneau, et.al. Its parent star is 42 light-years from the Sun, in the constellation Ophiuchus. Its luminosity is only 0.33% that of the Sun. The star is about one-fifth the radius of the Sun with a surface temperature estimated to be 3 000 K (2 730 °C; 4 940 °F). Multi-color Transit Photometry of GJ 1214b through BJHK s Bands and a Long-term Monitoring of the Stellar Variability of GJ 1214. On Earth, the scale height is about 6 miles (10 kilometers), while on Gliese 1214 b it is three times deeper, according to Narita. Rundt om planeten ligger en 200 km tyk og meget tæt atmosfære, der mest består af brint og helium. Follow-up radial-velocity measurements were then made with the HARPS spectrograph on the ESO's 3.6-meter telescope at La Silla, Chile; those measurements succeeded in providing independent evidence for the reality of the planet. [1][14], While very little is known about GJ 1214 b, there has been speculation as to its specific nature and composition. A nearby alien planet six times the size of the Earth which is covered with a water-rich atmosphere that includes a strange "plasma form" of water. GJ 1214 B, also known as Gliese 1214 B, is an exoplanet that orbits the star GJ 1214. November 9, 2015 / Marc Kaufman / 0 Comments. For starters, Gliese 1214 b orbits its star once every 38 hours, making it 70 times closer than Earth is to the Sun. Nó nằm ở khoảng cách khoảng 47 năm ánh sáng từ Trái đất . Gliese 1214 is a dim M4.5 red dwarf in the constellation Ophiuchus with an apparent magnitude of 14.7. [1][14] Water planets could result from inward planetary migration and originate as protoplanets that formed from volatile ice-rich material beyond the snow-line but that never attained masses sufficient to accrete large amounts of H/He nebular gas. GJ 1214b, also known as Gliese 1214b and within 42 light years from Earth and was discovered in November 2009. Er ist knapp 50 Lichtjahre von der Erde entfernt und umkreist in 38 Stunden im Sternbild Schlangenträger den roten Zwerg GJ 1214, dessen Strahlung 200 Mal schwächer ist als diejenige der Sonne. For that reason, scientists have nicknamed the planet "the waterworld". Gliese 1214 b (often shortened to GJ 1214 b) is an exoplanet that orbits the star Gliese 1214, and was discovered in December 2009. Another possibility is that there may be a thick layer of high clouds, which absorbs the starlight. Its luminosity is only 0.33% that of the Sun. Observed transit depths and theoretical models for GJ 1214 b Observed transit for GJ 1214 b The timeline series includes a compilation of artist's concepts depicting milestones from the Kepler mission-NASA's first mission capable of detecting Earth-size planets around sun-like stars. It is located at a distance of approximately 47 light years from Earth. [12] Its luminosity is only 0.33% that of the Sun. Gliese 1214 (GJ 1214) on 40 valovuoden päässä sijaitseva punainen kääpiötähti, jolla on eksoplaneetta GJ 1214 b.Planeetta kuuluu massaltaan supermaiden … Its parent star is 48 light-years from the Sun, in the constellation Ophiuchus. arxiv. Gliese 1214 là một sao lùn đỏ M4.5 trong chòm sao Xà Phu với cường độ rõ ràng là 14,7. Gliese 1214 b is an exoplanet that orbits the red dwarf star Gliese 1214. GJ 1214b is classified as a water-world, and is the only example of such a planet yet to be discovered. Gliese 1214, stellar object 1.1. Gliese 1214 b - The Real Ocean Planet | The Waterworld Planet | [Knowledge Factz] ... Travelling to the Gliese 581 System - Duration: 6:00. qwertiepie 1,939,353 views. NASA -- larger image GJ 1214 is a dim red dwarf star, like Gliese 623 A (M2.5V) and B (M5.8Ve) at lower right. 2. The parent star is 42 light-years from the Sun, in the constellation Ophiuchus where its sector name comes from. Its equilibrium temperature is believed to be in the range of 393–555 K (120–282 °C; 248–539 °F), depending on how much of the star's radiation is reflected into space. GJ 1214b (også kaldet Gliese 1214 b) er en exoplanet, der kredser om stjernen Gliese 1214, der befinder sig 42 lysår fra vort solsystem i stjernebilledet Ophiuchus.Opdagelsen af exoplaneten blev offentliggjort i tidsskriftet Nature den 16. december 2009.. GJ 1214b består hovedsaligt af vand. [1], The radius of GJ 1214 b can be inferred from the amount of dimming seen when the planet crosses in front of its parent star as viewed from Earth. Astronomers have claimed the existence of a new class of planet: a "water-world" with a thick, steamy atmosphere. Gliese 1214 is mostly made out of 200 degree boiling water. Gliese 1214 is not part of the constellation outline but is within the borders of the constellation. For that reason, scientists have nicknamed the planet "the waterworld". For Through a comparison with theoretical models, the density in turn provides limited but highly useful information about the composition and structure of the planet.[1]. On the weight of Gliese, 1214 b is 6.55 times the Earth's, and 2.5 times more in diameter. The inner boundary of Gliese 1214’s habitable zone is 0.05 Au’s from the star and its outer boundary is 0.08 AU’s from the star. ApJ 773, 144; … 1. Mediterranee: Bergamot, Bulgaria Rose ,Iris Or Scientists say Gliese 1214 b is likely water-rich. Gliese 1214 Facts. Gliese 1214 b (ou GJ 1214 b) est une planète extrasolaire (exoplanète) de type super-Terre, en orbite autour de l'étoile Gliese 1214 avec un demi-grand axe de 6 millions de km, dans la constellation zodiacale de l'Ophiuchus, dont la découverte par transit grâce au projet MEarth a été annoncée le 16 décembre 2009. Its parent star is 48 light-years from the Sun, in the constellation Ophiuchus. Detailed information on planet GJ 1214 b orbiting around star GJ 1214. Gliese 1214 b (often shortened to GJ 1214 b) is an exoplanet that orbits the star Gliese 1214, and was discovered in December 2009.Its parent star is 48 light-years from the Sun, in the constellation Ophiuchus.As of 2017, GJ 1214 b is the most likely known candidate for being an ocean planet. Tag: Gliese 1214b. While Gliese 1214 b is six times as large as earth, it is less than three times in width to be as big as a planet in between the size of Earth and Neptune. Discovered by the MEarth project and investigated further by the HARPS spectrograph on ESO’s 3.6-metre telescope at La Silla, GJ1214b is the second super-Earth exoplanet for which astronomers have determined the mass and radius, giving vital clues about its structure. Gliese 1214 B è un brano popolare di Mirage | Crea i tuoi video TikTok col brano Gliese 1214 B ed esplora 0 video creati da altri autori sia nuovi che famosi. The indicator of gravity reaches 0.91 g, which resembles the situation on Venus. [1] The loss of primordial atmosphere was indirectly confirmed in 2020 as no helium was detected at Gliese 1214 b. "[13] The X-ray flux from the host star is estimated to have stripped 2–5.6 M⊕ from the planet over the lifetime of the system. Like other ocean planets, it has a surface that is extremely sensitive to the touch of anything, especially asteroids, which means it hates them. › Larger image GJ1214b, shown in this artist's view, is a super-Earth orbiting a red dwarf star 40 light-years from Earth. GJ 1214 B, also known as Gliese 1214 B, is an exoplanet that orbits the star GJ 1214. Astronomers using the Hubble Space Telescope have discovered a new class of alien planets, so-called steamy waterworlds. And here are some interesting facts about the planet GJ 1214 b 1.GJ 1214b, also known as Gliese 1214b and within 42 light years from Earth and was discovered in November 2009. Scientists say Gliese 1214 b is likely water-rich. Gliese 1214 b, planet, semi-major axis: 0.0149±0.0003 AU For that reason, scientists have nicknamed the planet "the waterworld". Gliese 1214 b, também conhecido como GJ 1214 b, é um planeta extrasolar que orbita a estrela Gliese 1214, a uma distância de 13 parsecs ou aproximadamente 40 anos-luz da Terra, na constelação Ophiuchus.Esta superterra tem 6 vezes a massa da Terra e 2,6 vezes o seu raio. It is also the first super-Earth around which an atmosphere has been found. 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 of gases such as hydrogen and helium (c. [1], In December 2013, NASA reported that clouds may have been detected in the atmosphere of GJ 1214 b. Prvi je i jedini otkriven planet u sustavu. Prvi je i jedini otkriven planet u sustavu. Riječ je o Superzemlji, ali samo po veličini. It is the home planet of the Bloboits. The planet was discovered in December 2009. Gliese 1214 B è un brano popolare di Mirage | Crea i tuoi video TikTok col brano Gliese 1214 B ed esplora 0 video creati da altri autori sia nuovi che famosi. Read Gliese 1214 B from the story A Mermaid's Tales (short stories) by Reading_Mermaid08 (The Reading Mermaid) with 49 reads. But the world has prepared a lot of surprises. It is a super-Earth because it is larger than Earth but has a mass and radius significantly less than those of the ice giants in the Solar System. Its parent star is 48 light-years from the Sun, in the constellation Ophiuchus; as of 2017, GJ 1214 b is the most known candidate for being an ocean planet. Gliese 1214 b is a planet 48 light-years away from Earth. A nearby alien planet six times the size of the Earth which is covered with a water-rich atmosphere that includes a strange "plasma form" of water. The planet was discovered in December 2009. 2 Millionen km). They then observed the star more closely and confirmed that it dimmed by roughly 1.5% every 1.58 days. Gliese 1214 is a dim M4.5 red dwarf in the constellation Ophiuchus with an apparent magnitude of 14.7. [13], GJ 1214 b may be cooler than any other known transiting planet prior to the discovery of Kepler-16b in 2011 by the Kepler mission. Because a thick and cloud-free hydrogen-rich atmosphere would have produced detectable spectral features, such an atmosphere appears to be ruled out. An update on the atmosphere of super-Earth GJ1214b, https://en.wikipedia.org/w/index.php?title=Gliese_1214_b&oldid=994903108, Creative Commons Attribution-ShareAlike License, This page was last edited on 18 December 2020, at 03:50. [7] GJ 1214 b is also significant because its parent star is relatively near the Sun and because it transits (crosses in front of) that parent star, which allows the planet's atmosphere to be studied using spectroscopic methods. Gliese 1214 b (often shortened to GJ 1214 b) is an exoplanet that orbits the star Gliese 1214, and was discovered in December 2009. Rundt om planeten ligger en 200 km tyk og meget tæt atmosfære, der mest består af brint og helium. Bei seiner Entdeckung durch Zachory Berta war er der erdähnlichste bekannte Exoplanet. Riječ je o Superzemlji, ali samo po veličini. On Super-Earths, Sub-Neptunes and Some Lessons They Teach. [3] The star is rotating slowly, with a period that is most likely an integer multiple of 53 days. [4][5] For that reason, scientists have nicknamed the planet "the waterworld". Gliese 1214 b (often shortened to GJ 1214 b) is an exoplanet that orbits the star Gliese 1214, and was discovered in December 2009.Its parent star is 48 light-years from the Sun, in the constellation Ophiuchus.As of 2017, GJ 1214 b is the most likely known candidate for being an ocean planet. 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