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sidereal month

/saɪˈdɪəriəl mʌnθ/

1 entry

phrase

/saɪˈdɪəriəl mʌnθ/C1formalscientific
  • ruПериод времени, за который Луна совершает один полный оборот вокруг Земли относительно неподвижных звезд, приблизительно 27,3 дня.

The period of time it takes for the Moon to complete one full orbit around Earth relative to the fixed stars, approximately 27.3 days.

  1. Astronomical time periodC2formal

    The time it takes for the Moon to complete one full orbit around the Earth relative to the fixed stars, approximately 27.3 days.

    ruАстрономический период времени

    • A sidereal month is about 27.3 days long.
    • Astronomers use the sidereal month to track the Moon's position among the stars.
    • The difference between a synodic month and a sidereal month is about 2.2 days.