On Sunday, September 24, 2017 at 9:43:12 AM UTC-7, Gerald Kelleher wrote:
The heart does sink sometimes despite seeing the way through all this to the eventual recovery of astronomy. The rise of celestial sphere software was indeed rapid as were descriptions based on that clockwork generated and homocentric view -

https://www.esrl.noaa.gov/gmd/grad/s...solarpaths.gif

Gerald, if you do not understand this extremely basic and easy-to-understand graphic then you have no business lecturing people about the dynamics of the Earth and Sun. This is drop-dead first-thing-you-learn in grammar school stuff...