autumnal equinoctial point

точка осеннего равноденствия (а)

Англо-русский морской словарь. . 1946.

Смотреть что такое "autumnal equinoctial point" в других словарях:

  • equinoctial point — noun (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic • Syn: ↑equinox • Topics: ↑astronomy, ↑uranology • Hypernyms: ↑celestial point …   Useful english dictionary

  • autumnal equinox — noun 1. September 22 • Syn: ↑September equinox, ↑fall equinox • Ant: ↑vernal equinox • Hypernyms: ↑equinox • Part Holonyms: ↑fall …   Useful english dictionary

  • autumnal equinox — i. The point of intersection of the ecliptic and celestial equator (equinoctial) when the sun is moving from north to south. Also called the first point of Libra. ii. The time of the crossing of the sun across the celestial equator from north to… …   Aviation dictionary

  • first point of Libra — The point of intersection of the ecliptic and the celestial equator (equinoctial) when the sun is moving from the north to the south direction. It is denoted by the symbol λ. Also called autumnal equinox. See first point of Aries and ecliptic …   Aviation dictionary

  • CALENDAR — (Heb. לוּחַ, lu aḥ). The present Jewish calendar is lunisolar, the months being reckoned according to the moon and the years according to the sun. A month is the period of time between one conjunction of the moon with the sun and the next. The… …   Encyclopedia of Judaism

  • Equinox — This article is about the astronomical event when the sun is at zenith over the Equator. For other uses, see Equinox (disambiguation). For the same event happening on other planets and setting up a celestial coordinate system, see Equinox… …   Wikipedia

  • equinox — i. One of the two points of intersection of the ecliptic and the celestial equators, occupied by the sun when its declination is 0°. Also called an equinoctial point. That point occupied on or about March 21, when the sun’s declination changes… …   Aviation dictionary

  • vernal equinox — noun 1. March 21 • Syn: ↑March equinox, ↑spring equinox • Ant: ↑autumnal equinox • Hypernyms: ↑equinox • Hyponyms: ↑Noruz, ↑ …   Useful english dictionary

  • uranology — noun the branch of physics that studies celestial bodies and the universe as a whole • Syn: ↑astronomy • Derivationally related forms: ↑uranologist, ↑astronomic (for: ↑astronomy), ↑astronomical ( …   Useful english dictionary

  • equinox — [ē′kwi näks΄, ek′wə näks] n. [ME < OFr equinoxe < ML aequinoxium < L aequinoctium < aequus (see EQUAL) + nox, NIGHT] 1. the time when the sun in its apparent annual movement along the ecliptic crosses the celestial equator, making… …   English World dictionary

  • equinox — n. 1 the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of equal length. 2 = equinoctial point. Phrases and idioms: autumn (or autumnal) equinox about 22 Sept. spring (or vernal) equinox… …   Useful english dictionary

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