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Rule
(files.catbox.moe)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
It might surprise you, but there have been numerous tests in vacuums on earth.
Also numerous tests in space.
Yup. You'd also have to discount satellites as fake if you choose to not believe in rockets. And also everything that satellites provide for us.
Plus, you know... basic physics.
Pff gps is a hoax, in reality there is a little goblin with a perfect sense of direction in your phone.
GPS: Goblin's Perfect Sense (but in the phone)