Hello Greg and Chris,
While Chris explains your question well, I have several observations that
are related to your question. I am sure you have made the observations
also. But they are interesting. Who says the motions in the sky are
static?
1. At northern latitudes, in the summer, a full moon rises in the southeast
as the sun sets in the northwest.
2. In the winter a full moon rises in the northeast as the sun sets in the
southwest. The full moon sets in the northwest around sunrise. This gives
us a lot of moon light in the winter when we can use it the most. From our
point of view, a NE to south to NW path is a long path and would take more
than 16 hours.
3. From day to day, moon rise azimuths change a huge amount, while sun rise
azimuths do not change much. As we approach the equinox the sun rise
azimuth is changing the most from day to day. .
Thanks for your observation,
Warren
However, my somewhat meager knowledge of dialing led me to a new
hypothesis:
The sun's path (and the moon's) aren't describing a circular, but rather a
hyperbolic path in the sky. This means that it's possible to have the sun
and moon be on the meridian and the horizon, respectively, and yet be more
than 90 degrees apart.
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