Definición de sidereal year en inglés:

sidereal year

Saltos de línea: si|der¦eal year

sustantivo

Astronomy
  • The orbital period of the earth around the sun, taking the stars as a reference frame. It is 20 minutes longer than the tropical year because of precession.
    Más ejemplos en oraciones
    • Because of the precession of the equinoxes the tropical year is shorter by about 21 minutes than the sidereal year (the time taken by the Sun to return to the same place against the background stars).
    • The Bikrami solar year actually is not a solar year but a sidereal year.
    • As we've seen for Mars, Jupiter and Saturn, the sidereal motion of planets is fundamental to determining not only the position of a planet but also its sidereal year around the Sun.

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Palabra del día maelstrom
Pronunciación: ˈmeɪlstrəm
noun
a powerful whirlpool in the sea