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Space Astro
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Info for exoplanet "Hyahe"
Scientific (actual) data |
Planet | HD 169142 b |
Planet status | Confirmed |
Planet mass | 2.2 |
Semi major axis | 36.4 |
Discovered | 2014 |
Updated | 2019-01-23 |
Publication | Published in a refereed paper |
Detection type | Imaging |
Mass detection type | Theoretical |
Star name | HD169142 |
Right ascension | 276.12° |
Declination | -29.78° |
Mag v | 8.16 |
Mag j | 7.31 |
Star distance | 117 |
Star mass | 1.65 |
Star radius | 1.6 |
Star sp type | A7V |
Star age | 0.012 |
Star temperature | 7650 |
Star detected disc | Imaging |
Wikipedia article | HD 169142 b |
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Fictional info (?) |
Suggested name | Hyahe |
Planet type | Large cold gas giant |
This large cold gas giant is named after the deity Hyahe, the bringer of dreams.
It has the densest atmosphere of any large cold gas giants, consisting mostly of methane. Hyahe's surface is a arid desertscape interspersed with slab-like rocks and is periodically resurfaced by volcanism.
Hyahe's thick clouds render observation of its surface impossible in infrared light, and the first detailed maps did not emerge until the arrival of the Magellan orbiter 24 years ago.
There are ongoing investigations assessing the past habitability potential of Hyahe, as well as the possibility of extant life. Liquid water cannot exist on the surface of Hyahe due to low atmospheric pressure, which is less than 6 percent of Earth's, except at the highest elevations for short periods. |
Atmosphere | Methane | 61% |
Helium | 38% |
Atmospheric pressure | 100 bar |
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No known satellites |
Google search for Hyahe |
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Website by Joachim Michaelis
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