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Equinox
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- Either of two occasions during the year when the apparent sun`s path crosses the plane of the earth`s equator. also the date when the sun is directly overhead at noon on the equator, occurring on or around both march 21 and september 22, the former is the vernal equinox and the latter the autumnal equinox
- Either of two times a year, midway between the solstices, when the lengths of night and day are approximately equal.
- The two times of the year when the sun crosses the equator and night and day are of equal length; occurring around march 20 or 21 (spring equinox) and september 22 or 23 (fall equinox).
- The two times of the year when the sun crosses the equator and night and day are
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Равноденствие, русский
, момент прохождения центра солнца в его видимом движении по небесной сфере через небесный экватор. равноденствие происходит 20-21 марта (весеннее) и 23 сентября (осеннее). в это время продолжительность дня и ночи одинакова.
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Approximately, английский
- Approx.
- Приблизительно
- Приблизительно, около
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Ice fog, английский
- Fog composed of minute ice particles that occurs in very low temperatures (typically minus 30 °c/ minus 22°f or below) under clear, calm conditions in the polar latitudes.
- Ледяной туман
- A concentration of air-suspended ice crystals reducing visibility in otherwise clear and calm weather. occurs at low temperatures in high latitudes.
Solstice, английский
- Either of two days when the sun`s position overhead at noon is farthest north or south of the equator. these dates are june 21 for the northern hemisphere summer solstice, and about december 22 for the northern hemisphere winter solstice. the solstices are reversed for the southern hemisphere, with the wi
- Either of the two times of the year when the sun reaches its maximum declination (cf. equinox).
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