| Fictional info (?) |
|---|
| Suggested name | Tanvosny |
| Planet type | Cold planet |
| It is the second-brightest natural object in the night sky after Roncres-tea, reaching an apparent magnitude of -5 - bright enough to cast shadows at night and, rarely, visible to the naked eye in broad daylight.
The planet is named after the deity Tanvosny, the messenger of destruction.
When viewed from Earth, this proximity to Kepler-520 means the planet can only be seen near the western or eastern horizon during the early evening or early morning.
Tanvosny's axis has the smallest tilt of any of its solar system's planets. Having almost no atmosphere to retain heat, it has surface temperatures that vary diurnally more than on any other planet in its solar system, ranging from 150°K (-123°C) at night to 350°K (77°C) during the day across the equatorial regions.
The ozone has probably photodissociated, and the free nitric oxide has been swept into interplanetary space by the solar wind because of the lack of a xenon layer.
It may also have a rocky core of heavier elements, but like the other cold planets, Tanvosny lacks a well-defined magnetic field. |
| Atmosphere | Nitric oxide | 81% |
| Hydrogen | 16% |
| Ozone | 1.8% |
| Xenon | 0.16% |
| Atmospheric pressure | 0.4 bar |
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| Google search for Tanvosny |