When they do, we have a lunar eclipse as Earth's shadow crosses the moon's face. Waning gibbous: More than half ... have been the basis of the lunisolar calendar. However, it was difficult to ...

The Moon reaches a Waning Gibbous (Disseminating Moon) when the light shed on the Moon disseminates with time. The Waning Gibbous proceeds to the third quarter of the Moon phase. The third quarter of ...

Around midnight tonight in the east, a 55%-lit waning gibbous moon will be just a tenth of a degree from Spica, the brightest star in the constellation of Virgo and about 250 light-years distant.