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Old November 4th 10, 09:45 PM posted to sci.astro.amateur,sci.physics
oriel36[_2_]
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Default During the middle of the Eocene, about 40 million years ago...

On Nov 4, 9:39*pm, Sam Wormley wrote:
The Dependable Warmer


From January to July where you live there is a huge temperature
increase and you can't explain it,there are only two motions involved
and you can't comprehend the separate daily and orbital motions to
conclude that seasonal temperature fluctuations are best described
using daily rotation to the central Sun that causes the daylight/
darkness cycle and the separate orbital daylight/darkness cycle best
appreciated through understanding the cycle at the polar coordinates
where 6 months of daylight is followed by 6 months of darkness due
solely to the orbital behavior of the Earth.

That is the only dependable warmer you need to consider before
launching into a minor atmospheric gas.