Silent Behemoth

… reports that the enormous structure located on … is in fact the gargantuan corpse of some unidentified alien creature. Not only is the corpse large enough to be seen with the naked eye from …, it also appears to be shedding large quantities of psychotropic chemicals that may have neurological side effects for organic life forms on the planet.

The command below will trigger the "Silent Behemoth" event in Stellaris:

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

• Fascinating.
• Grab a snack before investigating further.