Ark Galactapedia

Lyria is a natural satellite of ArcCorp (Stanton III) that orbits more closely to the planet than its sister moon, Wala (Stanton 3b). Water ice geysers and cryo-volcanoes force water vapor into Lyria’s oxygen and ammonia atmosphere when they erupt. Although the air is too thin to support life, most commercial pressure suits can use it to replenish their oxygen reserves.