Nick has moved to Mathstodon on Nostr: Agreed! Another interesting thing to think about is how constellations will change ...

Agreed! Another interesting thing to think about is how constellations will change over time, since, for the most part, they're just apparent patterns of stars that are not gravitationally bound to one another (or even necessarily that close together). Of course, since they're mostly more distant, I think it will generally take a long time for them to change significantly.