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Evection

In astronomy, evection (Latin for "carrying away") is the largest inequality produced by the action of the Sun in the monthly revolution of the Moon around the Earth. The evection, formerly called the moon's second anomaly, was approximately known in ancient times, and its discovery is attributed to Hipparchus or Ptolemy. The current name itself dates…

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AstronomyInequalitySunMonthlyMoon
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Evection

Nodes19
Edges18
Triples1
Avg. degree1.89
Density0.105263
Components1

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Evection

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causes · 1
Evection → the Moon's ecliptic longitude to vary by approximately

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Important terminology

moon's 4586 45 sin sun approximately expression displaystyle ell 22639 55 moon new perigee astronomy theory action anomaly longitude period

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SubjectPredicateObjectConfidenceSrc
Evectioncausesthe Moon's ecliptic longitude to vary by approximately0.90text

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