[Sontagged]

No thrust in an absolute vacuum, sorry.

[Dust in the Wind]

The level of ignorance being exhibited on this thread is causing my brain to rust.

[cymbeline]

“No thrust in an absolute vacuum, sorry.”

Would someone else try to get through to this guy. I’m done with him.

[Spruce]

https://www.grc.nasa.gov/www/ion/overview/overview.htm