It's a question you may have never asked, or wondered about, but now I bet you're wondering. As it turns out, it's an unexpectedly loaded question, too! In order to answer, you have to know where the sky is. Where does it start? Where does it end? You might say "that's easy! the sky goes to the edge of the atmosphere, and then it's space? But then you need to know where the atmosphere ends! Is there an edge? At what point does it become space? I'm going to attempt to answer every connected question in this post. Buckle up your brain buckets! Read the transcript for this episode here Support my ability to make more episodes, answer more questions, and do more demonstrations at www.patreon.com/sciencepeople