Welcome dpstdd.

Instead of trying to give other analogies I'll just ask a simple question:

Ever since the space age began, rockets have been used in space to propel satellites, manned or otherwise. That rather suggests that they work without air, doesn't it?

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"The very powerful and the very stupid have one thing in common: They don't alter their views to fit the facts, they alter the facts to fit their views." The Doctor, Doctor Who: The Face of Evil.