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In terms of diameter, WASP-17b is one of the largest exoplanets discovered and at half Jupiter's mass, this made it the most puffy planet known in 2010. [5] On 3 December 2013, scientists working with the Hubble Space Telescope reported detecting water in the exoplanet's atmosphere. [6] [7]
* Gas giant likely has no surface, liquid water if present could only be on a large satellite (none known) * density implies water in atmosphere, but none found yet * Possible class II ("water cloud") or class III ("clear") atmosphere planet [12] Gliese 581 c [citation needed] Gliese 581: 5.5 700–1000 20 7–11 12.9 2007 * Not in the CHZ
The sizes are listed in units of Jupiter radii (R J, 71 492 km).This list is designed to include all planets that are larger than 1.7 times the size of Jupiter.Some well-known planets that are smaller than 1.7 R J (19.055 R 🜨 or 121 536.4 km) have been included for the sake of comparison.
A potentially habitable exoplanet that is roughly similar in size to Earth has been found in a system located 40 light ... which is designed to stare at a huge patch of the sky for about a month ...
A hycean planet is a hypothetical type of planet with liquid water oceans under a hydrogen atmosphere. [1] The presence of extraterrestrial liquid water makes hycean planets regarded as promising candidates for planetary habitability. [2] [3] [4] They are usually considered to be larger and more massive than Earth. [5]
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, [2] the Sun-like 51 Pegasi, and marked a breakthrough in astronomical research.
A European Space Agency satellite has observed the shiniest exoplanet ever discovered. The scorching world has reflective clouds made of silicates and titanium. Shiniest exoplanet ever found has ...
WASP-121b, formally named Tylos, [2] is an exoplanet orbiting the star WASP-121. [5] [6] WASP-121b is the first exoplanet found to contain water in an extrasolar planetary stratosphere (i.e., an atmospheric layer in which temperatures increase as the altitude increases). [5] [6] WASP-121b is in the constellation Puppis, [7] and is about 858 ...