Answer:
A supermoon is a full moon that nearly coincides with perigee (which is the closest that the Moon comes to the Earth in its elliptic orbit) resulting in the moon looking slightly larger than usual as viewed from Earth.
Explanation:
The technical name is a perigee syzygy (of the Earth–Moon–Sun system) or a full (or new) Moon around perigee.
Hope this helped!
- profparis
