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55 Cancri e (abbreviated 55 Cnc e, also known as Janssen / ˈ dʒ æ n s ən /) is an exoplanet orbiting a Sun-like host star, 55 Cancri A.The mass of the exoplanet is about eight Earth masses and its diameter is about twice that of the Earth.
Hot atmospheres could have iron rain, [107] molten-glass rain, [108] and rain made from rocky minerals such as enstatite, corundum, spinel, and wollastonite. [109] Deep in the atmospheres of gas giants, it could rain diamonds [ 110 ] and helium containing dissolved neon.
This list of exoplanets discovered in 2025 is a list of confirmed exoplanets that were first reported in 2025. For exoplanets detected only by radial velocity , the listed value for mass is a lower limit.
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 ...
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Kepler-70b and Kepler-70c are often described as the hottest known exoplanets, both at >6800 K (assuming an albedo of 0.1 for both), [38] but their existence are highly doubtful. [39] [40] Hottest (self-luminous) GQ Lupi b: GQ Lupi: 2650 ± 100 K [41] (2377 °C) GQ Lupi b may be either a massive planet or a brown dwarf. [41] Coldest: OGLE-2005 ...
Alpha Centauri is the target of several exoplanet-finding missions, including Breakthrough Starshot and Mission Centaur, the latter of which is chronicled in the 2016 documentary film The Search for Earth Proxima. [12] In 2023, astronomers used the radial velocity method to confirm that the exoplanet Wolf 1069 b sits in the habitable zone of ...
55 Cancri d (abbreviated 55 Cnc d), formally named Lipperhey / ˈ l ɪ p ər h iː /, is an extrasolar planet in a long-period orbit around the Sun-like star 55 Cancri A.Located at a similar distance from its star as Jupiter is from the Sun, it is the fifth and outermost known planet in its planetary system. 55 Cancri d was discovered on June 13, 2002.