Is There a Tripropellant Rocket Engine? How Are Orbits Planned? - Deep Space Questions 21

Another batch of questions addressed with off the cuff answers, and visuals provided by Orion, who is hopefully learning something from watching these things while earning some money from editing. As usual, the questions are taken from supporters of my Patreon - I still have a great backlog of questions to cover. https://www.patreon.com/scottmanley Follow me on Twitter for more updates: https://twitter.com/DJSnM I have a discord server where I regularly turn up: https://discord.gg/zStmKbM