Vulcanis IV

World Data

star

M-dwarf (Red Dwarf)

gravity

0.9 g

atmosphere

Dense CO2, Sulfur Dioxide, Hydrogen Sulfide, trace Nitrogen

temp

Surface: 450K (177°C); Vent Plumes: 600K (327°C)

day_season

Tidally locked; Eternal day/night, seasons driven by orbital eccentricity

dominant_survival_pressure

Rapid thermal cycling and pressure spikes from geysers