This reminds me of Randall Monroe's "What If" blog/book. I really enjoy these types of questions, which are adequately described by Munroe's subtitle: "Serious

This reminds me of Randall Monroe's "What If" blog/book. I really enjoy these types of questions, which are adequately described by Munroe's subtitle: "Serious scientific answers to absurd hypothetical questions." https://what-if.xkcd.com/ https://what-if.xkcd.com/