What exactly is a Supermoon

• A supermoon occurs when a full or new moon coincides with the moon’s closest approach to Earth (perigee).

• The moon’s distance from Earth varies by about 50,000 km due to its elliptical orbit.

• At perigee, a full moon appears approximately 14% larger and 30% brighter than at its farthest point.

• A supermoon was visible on October 7, with two more expected in November and December.

• The term ‘supermoon’ was popularized by astrologer Richard Nolle in the 1970s and has been adopted by astronomers and the media.

• Enhanced brightness makes the supermoon vivid against the night sky, particularly when low on the horizon.

• Supermoons lead to perigean spring tides, which are slightly higher and lower than usual due to the moon’s gravitational pull.

• These tidal changes can worsen coastal flooding when combined with storm surges.

• Throughout history, supermoons have inspired folklore and spiritual observances across cultures.

• They provide opportunities for astronomers and photographers to observe lunar details and study tidal effects.

What exactly is a Supermoon is important topic for Civil service exam (WBCS).

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