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by bernulli 1436 days ago
Absolutely! I’m sure they analyzed for that, but backflow to the opposite direction of the nozzle is quite unintuitive but normal in rarefied flow, with propellant deposition next to the nozzle possible and documented [1]. Just because you point it away from the sensitive stuff does not mean it won’t get there and leave nasty traces.

[1] https://apps.dtic.mil/dtic/tr/fulltext/u2/a588174.pdf