A supermoon occurs when the Moon’s orbit is closet (perigee) to Earth.
Read more here:: http://www.nasa.gov/image-feature/image-of-a-supermoon
Image of a Supermoon
A supermoon occurs when the Moon’s orbit is closet (perigee) to Earth.
Read more here:: http://www.nasa.gov/image-feature/image-of-a-supermoon