DA: "nationalgeographic.com"SupermoonOn 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.The next supermoon will take place on December 3 and can be seen by sky-watchers from around the world.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).The coincidence of these lunar events usually only happens occasionally, even as infrequently as once a year.RELATED STORIESHow to See the Brightest Supermoon of 2017Why the Moon Looks Bigger Near the HorizonScientifically referred to as a perigee-syzygy moon, a supermoon can appear up to 14% larger and 30% brighter than a full moon at apogee, or the point when it’s furthest away from the Earth.The colloquial term “supermoon” was created in 1979 by Richard Nolle, an American astrologist. He claimed the lunar event would cause natural disasters; however, this prediction is unfounded.
TRE DICEMBRE 2017: LA SUPERLUNA
DA: "nationalgeographic.com"SupermoonOn 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.The next supermoon will take place on December 3 and can be seen by sky-watchers from around the world.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).The coincidence of these lunar events usually only happens occasionally, even as infrequently as once a year.RELATED STORIESHow to See the Brightest Supermoon of 2017Why the Moon Looks Bigger Near the HorizonScientifically referred to as a perigee-syzygy moon, a supermoon can appear up to 14% larger and 30% brighter than a full moon at apogee, or the point when it’s furthest away from the Earth.The colloquial term “supermoon” was created in 1979 by Richard Nolle, an American astrologist. He claimed the lunar event would cause natural disasters; however, this prediction is unfounded.