The Full Buck Moon was called this because at this time of year, Bucks begin to grow new antlers. This Full Moon was also known as the Thunder Moon because thunderstorms are so frequent during this month. The Full Moons have descriptive names that come from Native Americans and Colonial Americans who used the Full Moons as a sort of calendar to keep track of the seasons. Full moon is a lunar phase that occurs when the geocentric apparent longitudes of the Sun and Moon differ by 180 degrees; the Moon is then in opposition with the Sun. At this time, as seen by viewers on Earth, the...