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astronomy/source
Don Cross dd761773d5 Starting to work on calculating equinoxes and solstices.
Added new function Astronomy.SunPosition().
It is supposed to return ecliptic coordinates of date for the Sun
as seen from the center of the Earth.

The values look reasonable but I need to test them.
Will use the Sun's longitude in the return value from SunPosition()
to determine solstices and equinoxes.
2019-04-23 16:00:51 -04:00
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