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Class O planet
- For other uses, see Class O.
| PLANETARY CLASSIFICATION | |
| Class O | |
| Classification: | Pelagic |
| Age: | 3-10 billion years |
| Diameter: | 10,000-15,000 km |
| Location: | Ecosphere |
| Surface: | 80%+ water |
| Atmosphere: | Nitrogen, oxygen, trace elements |
| Lifeforms: | Aquatic vegitation, animal life, humanoids |
In planetary classification Class O or Pelagic planets are those with surfaces comprised of 80% or more water. These planets may have some land, but it is not a majority feature. An example of a class O planet is Argo, the planet Earth is very close to Class O. (ST reference: Star Charts)
