- sidereal period of a planet
- сидерический период обращения планеты
English-russian astronautics dictionary. - M.: Military Publishing house. Compiled by F. P. Suprun, K. V. Shirokov. 1964.
sidereal period of a planet
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sidereal period — Time required for a celestial body in the solar system to complete one revolution with respect to the fixed stars (as observed from a fixed point outside the system). A planet s sidereal period can be calculated from its synodic period. The… … Universalium
sidereal period — noun or sidereal revolution : the time in which a planet or satellite completes one revolution round its primary as referred to a star seen from the primary … Useful english dictionary
sidereal period — /saɪˌdɪəriəl ˈpɪəriəd/ (say suy.dearreeuhl pearreeuhd) noun (of a planet) the time taken to complete one revolution of the sun with reference to the fixed stars …
Planet — This article is about the astronomical object. For other uses, see Planet (disambiguation) … Wikipedia
period — /pear ee euhd/, n. 1. a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social… … Universalium
Sidereal Day — The true rotation period of a planet, determined by the time between appearances of a star in the same place in the sky. Since the rotation of the Earth is gradually slowing down, a day in the past was shorter than now, and in the future it… … The writer's dictionary of science fiction, fantasy, horror and mythology
Sidereal year — Year Year, n. [OE. yer, yeer, [yogh]er, AS. ge[ a]r; akin to OFries. i?r, g?r, D. jaar, OHG. j[=a]r, G. jahr, Icel. [=a]r, Dan. aar, Sw. [*a]r, Goth. j?r, Gr. ? a season of the year, springtime, a part of the day, an hour, ? a year, Zend y[=a]re… … The Collaborative International Dictionary of English
Orbital period — For the music album, see Orbital Period (album). The orbital period is the time taken for a given object to make one complete orbit about another object. When mentioned without further qualification in astronomy this refers to the sidereal period … Wikipedia
Mercury (planet) — Mercury ☿ … Wikipedia
synodic period — Time required for a body in the solar system to return to the same or about the same position relative to the Sun as seen from Earth. The Moon s synodic period is the time between successive recurrences of the same phase (e.g., the period between … Universalium
Rotation period — The rotation period of an astronomical object is the time it takes to complete one revolution around its axis of rotation relative to the background stars. It differs from the planet s solar day, which includes an extra fractional rotation needed … Wikipedia
