The Hobos Handbook to the Universe

You are a scientist, and youve applied to become a writer for the Hobos Handbook to the Universe, the ultimate guide for sentient life everywhere. Good news: they liked your application, but now they want you to prove your dedication by going on a little trip around the universe and documenting the things that youve learned. The Hobos Handbook, aside from being a blatant reference to a certain book series by Douglas Adams, is actually an idea that Ive had for a while now, but just hadnt gotten a...