More question from supporters over at Patreon, and I at least attempt to deliver answers, even if I end up getting side tracked on the jet engine question.

If you really like what I do you can support me directly through Patreon
  / scottmanley  

Follow me on Twitter for more updates:
  / djsnm  

I have a discord server where I regularly turn up:
  / discord  

00:00 start
00:24 supersonic components on jet engines
05:41 Mars questions:
05:54 - martian atmosphere sample return
08:19 - landing a probe on Olympus Mons
09:49 manufacturing in space
13:39 flying around Jupiter in a 747
18:18 how close can your survive to a rocket launch?
19:28 Crew Dragon trunk detachment