- planetary mass
- Космонавтика: масса планеты
Универсальный англо-русский словарь. Академик.ру. 2011.
planetary mass
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Planetary mass — The four terrestrial planets in the Solar System, to scale. Note that Mars (to the far right) is about half the diameter of the Earth, but only one ninth of the mass … Wikipedia
Planetary 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… … Wikipedia
Planetary 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… … 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 luminosity function — (PNLF) is a secondary distance indicator used in astronomy. It makes use of the [O III| [O III] λ5007 forbidden line found in all planetary nebula which are members of the old stellar populations (Population… … Wikipedia
Planetary defense — Planetary defense, is the concept of protecting Earth (or another planet) from extraterrestrial threats such as near Earth objects or alien invasions.Mitigation of near Earth objectsNear Earth objects (NEOs) are asteroids, comets and large… … Wikipedia
Mass Effect 2 — Developer(s) BioWare Publisher(s) Electronic Arts Director(s) … Wikipedia
Mass Effect (video game) — Mass Effect Developer(s) BioWare (Xbox 360) Demiurge Studios (Microsoft Windows[1] … Wikipedia
Mass — This article is about the scientific concept. For the substance of which all physical objects consist, see Matter. For other uses, see Mass (disambiguation). Classical mechanics … 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 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 ,… … Wikipedia
