Terminal Orbit

One of the many moons circling … has a terminal orbit. It will soon collide with the gas giant in what is sure to become a massive impact event. This event has been millions of years in the making, and it is a startling coincidence that the impact has been fated to occur just after a visit by one of our ships. Many of our scientists wish to observe and record the event, but we only have a narrow window before it is too late.

The command below will trigger the "Terminal Orbit" event in Stellaris:

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

• Fascinating.
  • Start special project: Observe Moon Impact