Recently Squish has taken a strong interest in astronomy. As a result, we’ve been watching a large number of science videos on YouTube. Squish’s favorite at the moment is the In a Nutshell series, by Kurzgesagt. If you haven’t seen the Kurzgesagt videos before, you’re in for a treat. Complex scientific concepts explained using gorgeous illustrations and a bit of humor.
We watched several videos about black holes, the Fermi paradox, and then we stumbled across this this one: What if Earth Got Kicked Out of the Solar System?
The video explains that while space is large and spread apart, everything is in motion, which means now and then, some objects come very close to other objects. In particular, stars: