Atomic Countdown

Researchers on … have eagerly anticipated the countdown of the mysterious atomic clock of prodigious precision found on … for the past 42 years and 3 days. Several decades' worth of heated speculation and conjecture have evaporated in an instant: the clock has just now reached its momentous deadline, ejecting a stream of self-replicating nanites! These nanites are streaming on a trajectory towards another planet in the … System, …, projected to arrive within the month. Whatever may happen once they arrive remains to be seen...

The command below will trigger the "Atomic Countdown" event in Stellaris:

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

• Keep us informed.
• Unacceptable. Fire on those nanites!
  • Order our crew in the system to destroy the nanite stream being emitted from the atomic clock.
  • Influence: +None to None

Stellaris events fire in chains — one event leads to the next. Here is how Atomic Countdown (distar.311) connects.