Title text:
The family lore was that we’ve had it ever since it was ejected from a star-forming gas cloud, but it seems more likely that my great-grandparents probably just bought it while on vacation in the galactic thin disk.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3281/


Well, if they started at the oldest and then realized there were even older stars, then we’d have a bigger problem.
Astronomy starts with the names, then works towards understanding, which makes almost all the names wrong in some way. Sometimes very wrong.