Zeta Yll Exuun
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Zeta Yll Exuun (ζ Yll Exuun; in older Elw orthography, Yll Exûun with a circumflex; in Cyrillic Elw, Ылл Ышуун, in modern Latin orthography Yll Yshuun) is the sixth planet orbiting Yll Exuun. By Micran standards, it is a cold planet (mean temperature, -60 °C), and is about twice the size of Micras. It hosts ammonia-based and silicon-based lifeforms, probably also the intruding sentient lifeform known on Micras as Theogiorickan. The atmosphere is rich in hydrogen and methane.
