![](https://media24.fireside.fm/file/fireside-images-2024/podcasts/images/9/94f97fb6-b72c-4d98-a80a-1e141b67e50c/cover_medium.jpg?v=0)
December 12th, 2019 • 25 mins 32 secs • Download (23.4 MB) • Link with Timestamp
In this week's questions show, I explain why I don't think we always need to be realistic, if galaxies in the local group are bound together gravitationally, and what we should call Earth-moving equipment on Mars.