Description: Geologically inactive
Surface: Low temperature
Atmosphere: Frozen
Age: 2-10 billion years
Equator diameter: 1,000 to 10,000 km
Life: none
Surface: Low temperature
Atmosphere: Frozen
Age: 2-10 billion years
Equator diameter: 1,000 to 10,000 km
Life: none
If all volcanic activity on the planet has ceased, the planet is considered class C. They are essentially dead, the small worlds have cold, desolate areas and no geological activities.