[samtheman]

And from that distance you actually have to account for the curvature of the Earth.

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A shot made round the world.

[NorthMountain]

And from that distance you actually have to account for the curvature of the Earth.

Hmmm ...

That means:

1) If you assume a flat Earth, and Earth is in fact spheroidal ... you'll miss.

2) If you assume a spheroidal Earth, and Earth is in fact flat ... you'll miss.

Very Interesting.

[Bigbrown]

Actually you have to compensate for coriolis, the rotation of the earth!