It's been about.. what, 3 million years? since the "Incident" happened. Luna – still persistently called "Earth's Moon", even though Earth himself was dead – and the others are still hungover after the incident.

Wandering aimlessly around the asteroid belt, Luna spots something out of the ordinary. He quickly gains drained interest and moves over to the area, and there's no doubt that it's a new planet that had just been formed. It looks awfully a lot like Earth.