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If an airplane is going 600 miles per hour against the spin of the earth which is 2400 mph approximately and the air plane is 30k miles up in the air? How is a flight going some where against the spin then back is the same time?

And how does the spin of the earth affect an airplane 30k miles up in super thing air? What is transferring the movement from the ground to the super thing air 30k miles up?

If an airplane is going 600 miles per hour against the spin of the earth which is 2400 mph approximately and the air plane is 30k miles up in the air? How is a flight going some where against the spin then back is the same time? And how does the spin of the earth affect an airplane 30k miles up in super thing air? What is transferring the movement from the ground to the super thing air 30k miles up?

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[–] • 2 pts

So wouldn't the plane be fighting against that spin on the return flight?

Yes and travel times usually reflect this except when winds aloft changes things. This is also part of rocketry. It's why launching W, N, or S consumes more fuel than an eastward launch. As launching with the spin means you reap that energy bonus. Likewise, going the opposite direction means you pay for it. This is why equatorial launches are preferred as this maximizes the spin advantage.

All of which indirectly prove both a spin and a spheroid.

[–] • 1 pt (edited )

Flight time differences are rarely more than 10 or 15 minutes to and from. Does that reflect 1000 mph rotational spin? And your rocket fuel data, comes from NASA? You trust those guys that have only ever shown us cgi ball earth? Funny how most peeps here don't trust anything the government tells us, but believe everything regarding this topic. Condemnation without investigation equals indoctrination.

[–] • 2 pts (edited )

No. You're seeing capitalism. Fuel savings is to be had with it.

I also know some flights can see hours of difference.

The worst is of course head winds while flying with the spin.

[–] • 0 pt

That makes sense, that flying into a headwind would use more fuel. 1000 mph has got to use a lot more. Probably more fuel efficient to go the long way all the way around than try to fight that.