1

Civilization's Home Planet

2-3

Civilization's Colony

4-5

Uninhabited, but Claimed by Civilization

6-8

Free Colony

9-11

Uninhabited

12

Military Outpost

13

Science Outpost

14

Mining Outpost

15

Resolve: {Fueling|Supply} Outpost

16

Resolve: {Abandoned|Destroyed} Colony

17

Robots Only

18

Primitive Natives

19

Secret Base

20

Ancient Ruins