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Moonrise and Mountain Shadow

What phase of the Moon is 3.14 radians from the Sun? The Full Moon, of course. Even though the Moon might look full for several days, the Moon is truly at its full phase when it is 3.14 radians (aka 180 degrees) from the Sun in ecliptic longitude. That’s opposite the Sun in planet Earth’s […]

Moonrise and Mountain Shadow — SuMaC Post! Co. 1

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