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News: An incredible supermoon was visible on October 7 and will appear again twice in November and December across India.
About Supermoon
- A “supermoon” occurs when a full Moon coincides with the Moon’s closest approach to Earth in its elliptical orbit, a point known as perigee.
- Term coined by: The term “supermoon” was popularised by astrologer Richard Nolle in the 1970s.
- The term is typically used for a full moon within at least 90% of perigee.
- Frequency: Supermoons occur three to four times a year and appear consecutively.
- Feature: When the moon is near its perigee and also directly opposite the sun, the full moon appears about 14% larger and 30% brighter than when it is at its farthest point.
- Impact of Supermoon
- Tides: Creates perigean spring tides that are slightly higher and lower than usual.
- Observation: Brighter moonlight helps astronomers and photographers observe lunar surface details and tidal effects more clearly.
- Culture: Supermoons inspire folklore and spiritual observances across civilisations.
