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big ships

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catchin big fish
 
Lysander


how far away is the horizon on perfectly spherical earth (of 6372.797 km radius) if you're 15 feet above the surface

Sunday, February 18, 2007 2:18 PM

ATLDrtybird7


earth is not a perfect sphere.

Sunday, February 18, 2007 10:24 PM

Lysander


WHAT?!

[Edited by Lysander on 2/18/2007 12:44:46 PM. Reason for edit: fine, do the math on a topologically fractal surface]

Sunday, February 18, 2007 10:44 PM

OhCheesesRice


The horizon is an imaginary line. AND if you were talking about the line tangent to the height of eye, then you'd look up the dip for your apparent height of eye without specification to the refraction. If with specification to refraction, I'm too lazy.

(2x6372.797x.00457(15ft))^1/2

7.632 km

[Edited by OhCheesesRice on 2/18/2007 8:44:10 PM. Reason for edit: ans.]

Monday, February 19, 2007 6:31 AM

racerjas983


wow im lost... big ships seem so small...

Thursday, February 22, 2007 9:06 AM








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