A supermoon is a full moon or a new moon which is closest to the Earth in its elliptic orbit. That is the reason moon appears slightly larger-than-usual apparent size of the lunar disk as viewed from Earth.
Read next
From @ashirkumar
A supermoon is a full moon or a new moon which is closest to the Earth in its elliptic orbit. That is the reason moon appears slightly larger-than-usual apparent size of the lunar disk as viewed from Earth.