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In February 2016, it was announced that NASA's Hubble Space Telescope had detected hydrogen cyanide, but no water vapor, in the atmosphere of 55 Cancri e, which is only possible if the atmosphere is predominantly hydrogen or helium. This is the first time the atmosphere of a super-Earth exoplanet was analyzed successfully.
Jupiter and Saturn-like atmospheres (class I or <150 K) are dominated by ammonia clouds, but lower layers of water clouds might exist. [103] A newer type of exoplanets, called ultra-hot Jupiters have a temperature above 2,000 K and have a cloud-free dayside [100] with molecules often dissociated into atoms or ions. A wide variety of atomic ...
PSR J1719−1438 b is an extrasolar planet that was discovered on August 25, 2011, in orbit around PSR J1719−1438, a millisecond pulsar.The pulsar planet is most likely composed largely of crystalline carbon but with a density far greater than diamond.
Also known as a 'hot Jupiter,' the exoplanet is so close to its star that temperatures at the top of the planet could even boil some metals. Scientists find new exoplanet with atmosphere of ...
Motion interpolation of seven images of the HR 8799 system taken from the W. M. Keck Observatory over seven years, featuring four exoplanets. This is a list of extrasolar planets that have been directly observed, sorted by observed separations. This method works best for young planets that emit infrared light and are far from the glare of the star.
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For instance, they believe that it rains diamonds on those planets -- diamonds that sink into their interior and form a sparkly crust around their solid cores. Since it might take a long time ...
* 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 * Possibly not rocky * Water may be present as solid or vapour rather than liquid. [13] Gliese 667 Cc: Gliese ...