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M. J. Thomas Wrote:
-------------------------------------------------------

> Okay, let's go back to square one and see where it
> takes us.
>
> How did the Ancient Egyptians go about measuring
> the circumference of the Moon?


There are likely several ways they could do it. Perhaps the most direct would be to measure a chord (line perpendicular to the diameter at sea surface) between two mountains. From this they could easily compute the diameter of the earth. Then to get the diameter of the moon they'd merely need to compare the computed size of the moon's umbra (by duration of eclipse) to the umbra of the earth in a lunar eclipse. Using the scattering effect in water of the reflected light from the sun from the moon they could then compute the speed of light.

A tool determines what job can be done as well as how to do it. Observational science is distinct from experimental science and learns things in distinct ways in a different order.

Man fears the pyramid, time fears man.



Edited 1 time(s). Last edit at 16-Mar-18 20:52 by cladking.

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Subject Views Written By Posted
Encoded in PI--- 1539 PhiPIandI 16-Mar-18 03:13
Re: Encoded in PI--- 290 PhiPIandI 16-Mar-18 03:40
Re: Encoded in PI--- 266 M. J. Thomas 16-Mar-18 06:51
Re: Encoded in PI---EGYPT & PI & Moon 277 PhiPIandI 16-Mar-18 11:37
Really? 227 Sirfiroth 16-Mar-18 13:51
Re: Encoded in PI---EGYPT & PI & Moon 233 M. J. Thomas 16-Mar-18 19:01
Re: Encoded in PI---EGYPT & PI & Moon 163 cladking 16-Mar-18 20:50
Re: Encoded in PI---EGYPT & PI & Moon 217 Manu 16-Mar-18 21:11
Re: Encoded in PI---EGYPT & PI & Moon 195 molder 16-Mar-18 22:46
Re: Encoded in PI---EGYPT & PI & Moon 191 molder 17-Mar-18 04:11
Re: Encoded in PI---EGYPT & PI & Moon 227 Manu 17-Mar-18 16:29
Re: Encoded in PI---EGYPT & PI & Moon 191 M. J. Thomas 17-Mar-18 16:51
Re: Encoded in PI---EGYPT & PI & Moon 177 Sirfiroth 17-Mar-18 18:29
Re: Encoded in PI---EGYPT & PI & Moon 198 M. J. Thomas 17-Mar-18 19:05
Re: Encoded in PI---EGYPT & PI & Moon 191 Sirfiroth 17-Mar-18 20:33
Re: Encoded in PI---EGYPT & PI & Moon 188 M. J. Thomas 17-Mar-18 21:27
Re: Encoded in PI---EGYPT & PI & Moon 234 M. J. Thomas 17-Mar-18 08:48
Re: Encoded in PI---EGYPT & PI & Moon 210 cladking 17-Mar-18 13:47
Re: Encoded in PI---EGYPT & PI & Moon 166 molder 18-Mar-18 12:47
Re: Encoded in PI---EGYPT & PI & Moon 167 Manu 18-Mar-18 16:40
Re: Encoded in PI---EGYPT & PI & Moon 173 M. J. Thomas 18-Mar-18 17:09
Re: Encoded in PI---EGYPT & PI & Moon 217 Manu 18-Mar-18 19:18
Re: Encoded in PI---EGYPT & PI & Moon 213 M. J. Thomas 19-Mar-18 10:49
Re: Encoded in PI---EGYPT & PI & Moon 208 DavidK 19-Mar-18 11:28
Re: Encoded in PI---EGYPT & PI & Moon 198 Manu 19-Mar-18 14:19
Re: Encoded in PI---EGYPT & PI & Moon 165 M. J. Thomas 19-Mar-18 17:49
Re: Encoded in PI---EGYPT & PI & Moon 190 Manu 19-Mar-18 18:14
Re: Encoded in PI---EGYPT & PI & Moon 171 M. J. Thomas 19-Mar-18 18:49
Re: Encoded in PI---EGYPT & PI & Moon 155 Manu 19-Mar-18 19:05
Re: Encoded in PI---EGYPT & PI & Moon 177 Audrey 20-Mar-18 01:06
Re: Encoded in PI---EGYPT & PI & Moon 178 molder 19-Mar-18 05:12
Harold @ "2-Pi-R" 197 Dr. Troglodyte 16-Mar-18 16:18
Re: Harold @ "2-Pi-R" 224 MDaines 16-Mar-18 17:19
Re: Encoded in PI--- 168 cladking 16-Mar-18 16:28
Re: Encoded in PI--- 201 Manu 16-Mar-18 16:45
Re: Encoded in PI--- 194 DavidK 18-Mar-18 01:19
Re: Encoded in PI--- 240 PhiPIandI 18-Mar-18 04:08
Re: Encoded in PI--- 202 M. J. Thomas 18-Mar-18 08:41
Re: Encoded in PI--- 171 DavidK 18-Mar-18 12:19
Re: Encoded in PI--- 164 M. J. Thomas 18-Mar-18 16:13
Re: Encoded in PI--- 177 DavidK 18-Mar-18 17:00
Re: Encoded in PI--- 331 rodz111 18-Mar-18 04:58
Re: Encoded in PI--- 198 M. J. Thomas 18-Mar-18 16:21
Re: Encoded in PI--- 143 DavidK 18-Mar-18 17:22
Re: Encoded in PI--- 351 rodz111 25-Mar-18 19:44
Re: Encoded in PI--- 186 molder 25-Mar-18 21:53
Re: Encoded in PI--- 201 rodz111 18-Mar-18 17:26
Re: Encoded in PI--- 194 M. J. Thomas 18-Mar-18 17:55
Re: Encoded in PI--- 195 DavidK 19-Mar-18 09:40
Re: Encoded in PI--- 171 Manu 19-Mar-18 19:21
Re: Encoded in PI--- 192 DavidK 19-Mar-18 20:12
Re: Encoded in PI--- 185 Manu 19-Mar-18 20:49
Re: Encoded in PI--- 166 M. J. Thomas 20-Mar-18 01:24
Re: Encoded in PI--- 209 Manu 20-Mar-18 03:10
Re: Encoded in PI--- 143 DavidK 19-Mar-18 20:58
Re: Encoded in PI--- 209 Manu 19-Mar-18 21:18
Re: Encoded in PI--- 204 DavidK 20-Mar-18 12:01
Re: Encoded in PI--- 197 Manu 20-Mar-18 20:50
Re: Encoded in PI--- 223 DavidK 22-Mar-18 14:04
Re: Encoded in PI--- 204 magisterchessmutt 28-Mar-18 01:13
Re: Encoded in PI--- 194 DavidK 28-Mar-18 06:55
Re: Encoded in PI--- 184 magisterchessmutt 28-Mar-18 13:38
Re: Encoded in PI--- 185 DavidK 29-Mar-18 11:02
Re: Encoded in PI--- 216 rodz111 30-Mar-18 19:40
Re: Encoded in PI--- 231 DavidK 20-Mar-18 23:26
Re: Encoded in PI--- 189 drew 31-Mar-18 00:30
Re: Encoded in PI No. 33 280 ajfriman 31-Mar-18 19:55
Re: Encoded in PI No. 33 235 PhiPIandI 04-Apr-18 23:29
Re: Encoded in PI No. 33 241 PhiPIandI 09-Apr-18 20:40
Re: Encoded in PI No. 33 186 rodz111 11-Apr-18 18:30
Re: Encoded in PI--- 184 rodz111 12-Apr-18 22:09
Re: Encoded in PI--- 199 rodz111 14-Apr-18 01:03
Re: the astronomical cubit codes the tropical year 232 rodz111 15-Apr-18 20:03
Re: Encoded in PI--- 263 rodz111 17-Apr-18 20:36


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