501
xkcd #3265: Asteroid Threat
(thelemmy.club)
Title text:
Paleontologists have long worried that the dinosaurs blasted into space 66 million years ago will one day complete their orbits and fall back down.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3265/
Anything that made it to space as ejecta from the KT Asteroid impact did so as molten debris