Super Moon: a unique celestial phenomenon in May 2012
The Moon’s distance from the Earth is not always the same due to the elliptical shape of the orbit and variations in the gravitational attraction between the Moon, Earth and Sun.
When a full moon occurs close to the perigee of the Moon (a point of its closest approach to the Earth) and its distance from our planet is much smaller than the usual one, then we can observe a “super moon” phenomenon. (more…)