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Re: CALCULATION OF AREA ON A SPHERE [message #19266 is a reply to message #19054]

Mon, 28 February 2000 00:00

Stein Vidar Hagfors H[1] is currently offline

Stein Vidar Hagfors H[1]
Messages: 56
Registered: February 2000

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Tim Cross <timc@boulder.vni.com> writes:

> Med Bennett wrote:
>>
>> Great circles on the sphere are the analogs of straight lines in the
>> plane. Such curves are often called geodesics. A spherical triangle is a
>> region of the sphere bounded by three arcs of geodesics.
>>
>> 1.Do any two distinct points on the sphere determine a unique geodesic?
>
> Yes. Years ago, I could prove it.

Funny, I'd like to see that proof.

What's the unique geodesic connecting the north and south poles :-?
--
Stein Vidar Hagfors Haugan
ESA SOHO SOC/European Space Agency Science Operations Coordinator for SOHO
NASA Goddard Space Flight Center, Email: shaugan@esa.nascom.nasa.gov

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[Message index]

		Re: CALCULATION OF AREA ON A SPHERE By: Ben Tupper on Wed, 23 February 2000 00:00
		Re: CALCULATION OF AREA ON A SPHERE By: davidf on Tue, 22 February 2000 00:00
		Re: CALCULATION OF AREA ON A SPHERE By: Craig Markwardt on Tue, 22 February 2000 00:00
		Re: CALCULATION OF AREA ON A SPHERE By: Med Bennett on Tue, 22 February 2000 00:00
		Re: CALCULATION OF AREA ON A SPHERE By: Tim Cross on Thu, 24 February 2000 00:00
		Re: CALCULATION OF AREA ON A SPHERE By: Tim Cross on Mon, 28 February 2000 00:00
		Re: CALCULATION OF AREA ON A SPHERE By: Stein Vidar Hagfors H[1] on Mon, 28 February 2000 00:00
		Re: CALCULATION OF AREA ON A SPHERE By: James Kuyper on Thu, 23 March 2000 00:00

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