Absolutely awesome. And correct I might add. I work in aviation, I wished I worked in aerospace :D I am a rocket engine fan. I played with these types of engines in a game/simulator. I wrote an article about it:
https://steemit.com/gaming/@alexdory/kerbal-space-program-space-simulation-for-your-inner-engineer

Sorry for promoting my own article but the simulator is ripe with physics and Xenon and Argon engines.
Followed you!