I too don't get it. Does anyone have a spreadsheet that computes a position from what was discussed below?
thx weemeng ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <sundial@uni-koeln.de> Sent: Tuesday, February 14, 2006 8:37 PM Subject: Re: Numb3rs : : > Say you have a shadow angle A at 10 am and a shadow angle B at 1 pm. > So first you go to the standard line of longitude two hours east of > your standard line of longitude and lay the analemma on it and find the > subsolar point for the date. Then around the subsolar point you draw a > circle on the surface of the earth which is the locus of all points at > an angle A from the subsolar point as measured from the center of the > earth. That circle has all the places which have the first (10 am) > shadow length. Then you go to the standard line of longitude one hour > west of your standard line of longitude and do the same thing mutatis > mutandis for the 1 pm shadow angle. > > So now you have two circles drawn on the surface of the earth and where > they intersect are the only two possible loci (relative to the standard > line of longitude) of the abode of him who done the dirty deed. > > Is there an intuitive way to get from my earthbound way to solve it to > how they solved it on the show? : : --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
