hycean
/ˈhaɪʃən/
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
14
Scrabble Score
6
Letters
1
Syllables
6
Unique Chars
Meaning
adj
Having a water-based ocean that covers the entire planet, and an atmosphere rich in hydrogen.
Example Sentences
- "With densities between those of rocky super-Earths and more extended mini-Neptunes, Hycean planets can be optimal candidates in the search for exoplanetary habitability and may be abundant in the exoplanet population."
- "It's thought that the new classification could accelerate the search for life outside our Solar System for one simple reason: planets that fulfil the criteria to be "Hycean" already dominate the known exoplanet population, which is approaching 4,500."
- "And learning more about Hycean planets could help scientists find biosignatures, or signs of life, outside of our solar system in the near future."
- "These hydrogen-rich ocean worlds, or hycean worlds, may be habitable."
- "TOI-2136b is a sub-Neptune transiting a nearby and bright star (J=10.8) and is a potential hycean planet, making it an excellent target for atmospheric studies to understand the formation, evolution, and habitability of the small planets."
- "While LTT 1445 Ab is not in the traditional habitable zone of its star (Winters et al. 2019), it is considered as a candidate Hycean world where a liquid ocean may exist underneath a H₂-dominated atmosphere."