The Saturn V manual I mention is available via Amazon and other outlets NASA Saturn V 1967-1973 (Apollo 4 to Apollo 17 & Skylab) (Owners’ Workshop Manual) https://amzn.to/3KCDHuB Chapters (highlighted by Flobsidian Ant on the Discord): 00:00 intro 00:29 DART probe crashing into asteroid, kinetic energy vs. momentum 02:22 the separate interstage on the Saturn V, why it was jettisoned after stage separation 03:29 “termination shock” space gun geoengineering 04:40 books on the Soviet side of the space race