On the night of a "supermoon," the moon appears larger and brighter than any other time–and they're surprisingly rare.
What is a Supermoon?
What is a supermoon? Find out what makes the moon appear extra big and bright, how it effects the tides, and how the phenomenon got its name.
1 Minute Read
A supermoon is an astronomical phenomenon in which Earth’s moon is full, on the opposite side of the Earth from the Sun (a state called syzygy), and at its closest point to the planet (a state called perigee).