It could be tested to a degree with a vacuum chamber here on earth. Put a little rocket inside horizontally and see if it moves when fired in a partial vacuum.

[–] PythagreousTitties@lemm.ee 7 points 3 months ago (1 children)

It might surprise you, but there have been numerous tests in vacuums on earth.

[–] Klear@sh.itjust.works 5 points 3 months ago (1 children)

Also numerous tests in space.

[–] PythagreousTitties@lemm.ee 4 points 3 months ago* (last edited 3 months ago) (1 children)

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.

[–] Quatlicopatlix@feddit.org 5 points 3 months ago (1 children)

Pff gps is a hoax, in reality there is a little goblin with a perfect sense of direction in your phone.

[–] TheOakTree@lemm.ee 5 points 3 months ago

GPS: Goblin's Perfect Sense (but in the phone)