Rarity is a property of an artifact or a planet in relation to others of its type, to be less available than others. Non-renewable resources are considered rare or even very rare (subject to the notes described in that article), though not necessary all are worth having or wasting space over.
Examples[]
Rare planets[]
- Designated as rare
- Metallic Planets
- Oceanic Planets (can be both created and found naturally)
- Terra Planets
- Aphotic Planets
- Ecumenopolis Planets
- Crystal Planets (only created)
- Irradiated Planets (only created)
- Demon Planets
- Plasma planets
- Designated as extremely rare
- Exotic Planets (can be both created and found naturally)
- Gaia Planets
- Sentient Planets
- Chthonian Planets
- Rift Planets
- Designated as mythical
- Dyson Planets