| Fictional info (?) |
|---|
| Suggested name | Siarcisco Ka |
| Planet type | Cold planet |
| Siarcisco Ka is similar in composition to Gaeoneu, and both have different bulk chemical composition from that of the larger cold planets. The interior of Siarcisco Ka is mainly composed of ices and rock. It is named after the deity Siarcisco Ka, the spirit of dreams.
As seen from HD 102329, in a frame of reference that rotates with the orbital motion, it appears to rotate only once every two years.
Siarcisco Ka's axis has the smallest tilt of any of its solar system's planets.
Siarcisco Ka is by far the hottest planet in its solar system, with a mean surface temperature of 413°K (140°C). Siarcisco Ka is shrouded by an opaque layer of highly reflective clouds of sulfuric acid, preventing its surface from being seen from space in visible light. Siarcisco Ka's surface is a barren desertscape interspersed with slab-like rocks and is periodically resurfaced by volcanism.
Liquid water cannot exist on the surface of Siarcisco Ka due to low atmospheric pressure, which is less than 6 percent of Gaeoneu's, except at the highest elevations for limited periods.
Siarcisco Ka has been explored on several occasions by robotic spacecraft, most notably during the early Pioneer and Frontier flyby missions and later by the Hawking orbiter. |
| Atmosphere | Ozone | 45% |
| Carbonyl sulfide | 28% |
| Water vapor | 19% |
| Carbon monoxide | 5.8% |
| Oxygen | 1.7% |
| Ammonium hydrosulfide (NH4SH) | 1.1% |
| Hydrogen chloride | 0.008% |
| Atmospheric pressure | 0.04 bar |
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| Google search for Siarcisco ka |