this post was submitted on 29 Sep 2023
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NonCredibleDefense

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Hypersonic Missile Inbound!!! (lemmy.world)
submitted 2 years ago by [email protected] to c/[email protected]
30 comments fedilink hide all child comments
 

All targeting solutions for sublight speed are computable.

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[–] [email protected] 22 points 2 years ago* (last edited 2 years ago) (1 children)

TIL hypersonic is genuinely a distinct word from supersonic.

[–] [email protected] 24 points 2 years ago (1 children)

It's usually over mach 5, but originally it was used to refer to when you start needing to deal with heating up the air.

[–] [email protected] 17 points 2 years ago

Also around the point where jet engines kinda just stop working right.