planetary system
1Planetary system — A planetary system consists of the various non stellar objects orbiting a star such as planets, moons, asteroids, meteoroids, comets, and cosmic dust. [p. 394, The Universal Book of Astronomy, from the Andromeda Galaxy to the Zone of Avoidance ,… …
2planetary system — planetinė sistema statusas T sritis fizika atitikmenys: angl. planetary system vok. planetarisches System, n rus. планетная система, f pranc. système planétaire, m …
3planetary system — noun A group of smaller bodies such as planets or asteroids) that orbit one one or more stars. Syn: solar system …
4Planetary habitability — is the measure of a planet s or a natural satellite s potential to develop and sustain life. As the existence of life beyond Earth is currently uncertain, planetary habitability is largely an extrapolation of conditions on Earth and the… …
5Planetary science — Planetary science, also known as planetology and closely related to planetary astronomy, is the science of planets, or planetary systems, and the solar system. Incorporating an interdisciplinary approach, planetary science draws from diverse… …
6Planetary nomenclature — Planetary nomenclature, like terrestrial nomenclature, is a system of uniquely identifying features on the surface of a planet or natural satellite so that the features can be easily located, described, and discussed. The task of assigning… …
7Planetary migration — occurs when a planet or other stellar satellite interacts with a disk of gas or planetesimals, resulting in the alteration of the satellite s orbital parameters, especially its semi major axis. The generally accepted theory of planet formation… …
8Planetary — Plan et*a*ry, a. [Cf. L. planetarius an astrologer, F. plan[ e]taire planetary. See {Planet}.] 1. Of or pertaining to the planets; as, planetary inhabitants; planetary motions; planetary year. [1913 Webster] 2. Consisting of planets; as, a… …
9Planetary days — Planetary Plan et*a*ry, a. [Cf. L. planetarius an astrologer, F. plan[ e]taire planetary. See {Planet}.] 1. Of or pertaining to the planets; as, planetary inhabitants; planetary motions; planetary year. [1913 Webster] 2. Consisting of planets; as …
10Planetary nebula — Planetary Plan et*a*ry, a. [Cf. L. planetarius an astrologer, F. plan[ e]taire planetary. See {Planet}.] 1. Of or pertaining to the planets; as, planetary inhabitants; planetary motions; planetary year. [1913 Webster] 2. Consisting of planets; as …
