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For all to comment on if you wish. David thanks for pushing me and Dr T for listening.

This is something I have always avoided because I believe that the measures of today although we have a common system (SI) is not the end of the story because as one of my favourite little books Quotes 'Todays precision measurements will be tomorrow coarse measurements'


Part 1. The speed of light 299 792 458 is something I would not normally write on however I think this is worth mentioning.

In astronomy, a very famous cycle of time is known as the Metonic cycle. This is a period of 19 years during during which there are 235 lunations (a lunar phase cycle), named after Meton, the Greek astronomer who discovered the cycle in 432 BC. Modern astronomers hold that there are 6939 days and 14.5 hours in 235 lunations.

The speed of light expressed in days 299 792 458 seconds x 2 = 59,958,490 seconds = 6939.640231 or 6939 days and 15.3 hours.

If it is coincidence then it is one hell of a coincidence with the Metonic cycle.

In 9.5 years (1/2 of 19 years) there are 3,469.875 days 83,277 hours 4,996,620 minutes and 299,797,200 seconds the difference between numbers = 4,742 seconds or 1.317 hours.

from 299 792 458 x 2 = 599,584,916 / 235 lunations = 2,551,425.174 seconds 29.53038396 days (synodic month 29.5305/6 days)


There is a symmetry here which is difficult to explain.

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Subject Views Written By Posted
Speed of Light 873 molder 06-Jan-18 11:10
Re: Speed of Light 213 cladking 06-Jan-18 16:35
Re: Speed of Light 243 molder 06-Jan-18 22:46
Re: Speed of Light 188 cladking 06-Jan-18 23:05
Re: Speed of Light 226 molder 07-Jan-18 03:31
I. E. S. Edwards Speaks 244 Dr. Troglodyte 06-Jan-18 23:25
Re: I. E. S. Edwards Speaks 205 molder 07-Jan-18 03:21
Re: I. E. S. Edwards Speaks 207 magisterchessmutt 07-Jan-18 05:16
Re: I. E. S. Edwards Speaks 240 molder 07-Jan-18 10:43
Re: Speed of Light 191 Dr. Troglodyte 06-Jan-18 22:28
Re: Speed of Light 186 DavidK 07-Jan-18 17:43
Re: Speed of Light 236 DavidK 07-Jan-18 18:08
Re: Speed of Light 246 magisterchessmutt 08-Jan-18 00:05
Re: Speed of Light 173 molder 09-Jan-18 06:01
Re: Speed of Light 208 mmstud 09-Jan-18 10:04
Re: Speed of Light 272 magisterchessmutt 09-Jan-18 11:04
Re: Speed of Light 272 DavidK 09-Jan-18 11:38
Re: Speed of Light 266 mmstud 09-Jan-18 15:18
Re: Speed of Light 235 molder 10-Jan-18 01:27


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