- planetary phase
- фаза планеты
English-russian dictionary of physics. 2013.
planetary phase
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Planetary phase — is the term used to describe the appearance of the illuminated section of a planet. Like lunar phases, the planetary phase depends on the relative position of the sun, the planet and the observer.As seen from Earth, the inferior planets may… … Wikipedia
Planetary Phase of Civilization — TOCrightThe Planetary Phase of Civilization is a concept defined by the Global Scenario Group (GSG), an environmental organization that specializes in scenario analysis and forecasting. Proponents of the Planetary Phase of Civilization state that … Wikipedia
Phase angle (astronomy) — Phase angle in astronomical observations is the angle between the light incident onto an observed object and the light reflected from the object. In the context of astronomical observations, this is usually the angle Sun object observer. For… … Wikipedia
Phase — A phase is one part or portion in recurring or serial activities or occurrences logically connected within a greater process, often resulting in an output or a change. Phase or phases may also refer to:In science and engineering* Phase (matter),… … Wikipedia
Planetary 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… … Wikipedia
Planetary nebula — A planetary nebula is an emission nebula consisting of a glowing shell of gas and plasma formed by certain types of stars when they die. The name originated in the 18th century because of their similarity in appearance to giant planets when… … Wikipedia
Planetary Observer program — The Planetary Observer program is a cancelled space exploration program designed by NASA to provide cheaper planetary orbiters by utilising Earth orbiting satellite components and technology, using solar panels for power, and a common spacecraft… … Wikipedia
Planetary differentiation — In planetary science, planetary differentiation is the process of separating out different constituents of a planetary body as a consequence of their physical or chemical behaviour, where the body develops into compositionally distinct layers;… … Wikipedia
phase — 01. He is in a difficult [phase] of his life. 02. We are now entering the third [phase] of the experiment. 03. My brother is in a [phase] where he doesn t want to talk to anyone. 04. My teenage daughter is going through a [phase] in which she… … Grammatical examples in English
Stars and planetary systems in fiction — The planetary systems of stars other than the Sun and the Solar System are a staple element in much science fiction. Contents 1 Overview 1.1 The brightest stars … Wikipedia
Secular variations of the planetary orbits — The Secular Variations of the Planetary Orbits (French: Variations Séculaires des Orbites Planétaires, abbreviated as VSOP) is a semi analytic theory describing the long term changes (secular variation) in the orbits of the planets Mercury to… … Wikipedia
