Abandoned Thrusting

In the center of a particularly large crater on … lies a cluster of metal shapes, doubtlessly of alien origin. Science Officer … is convinced that they are massive, planetoid-mountable propulsion devices, intended to push … from its orbit for purposes and destinations unknown. The … is on standby, its crew ready to begin disassembly and analysis of the alleged propulsion systems with the hopes of improving our own thruster technology.

The command below will trigger the "Abandoned Thrusting" event in Stellaris:

When this event fires, you can choose between these 2 options:

• Make it so.
• Leave the alien devilry be.
  • Unity: +None to None

Stellaris events fire in chains — one event leads to the next. Here is how Abandoned Thrusting (anomaly.275) connects.