Experimental Crater
Concept · Stellaris 4.5.2
Experimental Crater in the Stellaris encyclopedia: - Produces: 4 8
Experimental Crater in the game's words
The encyclopedia entry as the game shows it in its tooltips; underlined words open their own entry or page here.
- Produces: 
4 
8
- Monthly Loyalty Change: -1
- [miner.GetName] Jobs: +300
- Caution: Incoming colony "ships" may explode
A designated area for testing new asteroidal colony ships. It might not be the most convenient way to test the ships, but outsourcing the process definitely saves on the clean-up costs for the Overlord.
Source: common/game_concepts (concept_experimental_crater) and localisation/english, Stellaris Cygnus v4.5.2 (9776).