Definition of Hycean. Meaning of Hycean. Synonyms of Hycean

- A hycean planet (/ˈhaɪʃən/ HY-shən; portmanteau of hydrogen and ocean; note that the term is not capitalized) is a particular type of exoplanet that features...
- Constantinou, Savvas (26 August 2021). "Habitability and Biosignatures of Hycean Worlds". The Astrophysical Journal. 918 (1): 1. arXiv:2108.10888. Bibcode:2021ApJ...
- low instellation rates. K2-18 b is probably the best known "hycean" planet. Other, non-hycean compositions are possible, both habitable and nonhabitable...
- habitable zones of young stars and M-type stars. Scientists have proposed Hycean planets, ocean planets with a thick atmosphere made mainly of hydrogen....
- Extraterrestrial liquid water Asteroidal water Planetary oceanography Ocean world Hycean planet List of Candidates Specific Europa Mars Moon Enceladus Physical parameters...
- Extraterrestrial liquid water Asteroidal water Planetary oceanography Ocean world Hycean planet List of Candidates Specific Europa Mars Moon Enceladus Physical parameters...
- molecules and non-detection of ammonia is consistent with predictions for a hycean planet. A second, non-transiting planet, K2-18c, was discovered in 2017...
- Terrestrial Carbon planet Coreless planet Desert planet Dwarf planet Hycean planet Ice planet Iron planet (Super-Mercury) Lava planet Ocean world Mega-Earth...
- Ocean world, an astronomical body possessing a significant amount of water Hycean planet, an astronomical body covered in water with a hydrogen atmosphere...
- Extraterrestrial liquid water Asteroidal water Planetary oceanography Ocean world Hycean planet List of Candidates Specific Europa Mars Moon Enceladus Physical parameters...