月出与山影

2020 March 14 Moonrise and Mountain Shadow Image Credit & Copyright: Daniel Lopez (El Cielo de Canarias) Explanation: 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 ...