Thanks for the replies, but ...
The geometry and the calculations are not hard, but I question the
possibility of a significant observation. Aristarchus of Samos claims
18D20. That implies an astounding ability to
determine when the Moon is exactly halved. If you draw a line between the
In einer eMail vom 13.6.2004 20:50:17 Westeuropäische Sommerzeit schreibt
[EMAIL PROTECTED]:
1. How does it solve for the astronomical
unit, the absolute distance from the earth to the sun? I understand that it
solves for the ratio of the distances earth to sun and earth
to moon,
In the current BSS Bulletin, p.77, Member A. Capon describes a
mass-produced cast metal vertical dial of good quality, citing seven
examples he knows of, five of which he has seen personally. The dial,
elaborately decorated with the arms of what appears to be an English
medieval monarch
I have two questions on this technique.
1. How does it solve for the astronomical
unit, the absolute distance from the earth to the sun? I understand that it
solves for the ratio of the distances earth to sun and earth to
moon, but not the absolute distance. There is no base line to
