Class D
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| PLANETARY CLASSIFICATION | |
| Class D | |
| Classification: | Asteroid/Moon |
| Age: | 2-10 billion years |
| Diameter: | 100-1,000 km |
| Location: | Hot Zone/Ecosphere/Cold Zone |
| Surface: | Barren and Cratered |
| Atmosphere: | None or very tenuous |
| Evolution: | None |
| Lifeforms: | None |
A Class D planet is usually an asteroid or moon with no lifeforms. (ST reference: Star Trek: Star Charts)
[edit] Planets of this Type
- Earth's Moon (Sol IIIa)
- Lunar V (Bajor VIIe)
