From the Belly of the Beast

Our Science Ship lost in … has returned! Reports have come in from … that they had been swallowed whole by a spaceborne entity hiding inside of an asteroid, and were at the limits of hull integrity before being unexpectedly ejected to safety. It appears something else has surprised the creature before we could intervene. We should be cautious in our approach of certain asteroid belts until we can learn more.

The command below will trigger the "From the Belly of the Beast" event in Stellaris:

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

• How fortunate.