Alien Proto-Civilization Encountered

… is home to a mammalian civilization currently in an Early Space Age. The orbital space around the planet is cluttered with primitive satellites, and the natives seem to have already launched several manned missions to Sol IIIa. A number of small sublight exploration probes have been detected on outbound trajectories towards other bodies within the system.

The command below will trigger the "Alien Proto-Civilization Encountered" event in Stellaris:

When this event fires, you can choose between the following option:

• Interesting.