- solar sphere
- Sun
English contemporary dictionary. 2014.
solar sphere
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Solar energy — is the light and radiant heat from the Sun that powers Earth s climate and weather and sustains life. Since ancient times it has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources… … Wikipedia
Solar sail — Solar sails (also called light sails or photon sails, especially when they use light sources other than the Sun) are a proposed form of spacecraft propulsion using large membrane mirrors. Radiation pressure is about 10 5 Pa at Earth s distance… … Wikipedia
Sphere de Hill — Sphère de Hill En astronomie, la sphère de Hill d un corps en orbite autour d un autre, plus massif, est une approximation de la zone d influence gravitationnelle de ce premier corps, c est à dire du volume d espace dans lequel un troisième corps … Wikipédia en Français
Sphère de Roche — Sphère de Hill En astronomie, la sphère de Hill d un corps en orbite autour d un autre, plus massif, est une approximation de la zone d influence gravitationnelle de ce premier corps, c est à dire du volume d espace dans lequel un troisième corps … Wikipédia en Français
Sphère de hill — En astronomie, la sphère de Hill d un corps en orbite autour d un autre, plus massif, est une approximation de la zone d influence gravitationnelle de ce premier corps, c est à dire du volume d espace dans lequel un troisième corps plus petit… … Wikipédia en Français
Solar wind — For other uses, see Solar wind (disambiguation). The solar wind is a stream of charged particles ejected from the upper atmosphere of the Sun. It mostly consists of electrons and protons with energies usually between 1.5 and 10 keV. The stream of … Wikipedia
solar apex — noun the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars • Syn: ↑apex, ↑apex of the sun s way • Ant: ↑antapex (for: ↑apex) • Derivationally related forms: ↑ … Useful english dictionary
Sphère de Dyson — Pour les articles homonymes, voir Sphère (homonymie) et Dyson (homonymie). Schéma d’une coquille de Dyson d’une unité astronomique de rayon. Une sphère … Wikipédia en Français
Solar luminosity — The solar luminosity, L odot, is a unit of luminosity (power emitted in the form of photons) conventionally used by astronomers to give the luminosities of stars.It is equal to the current accepted luminosity of the Sun, which is 3.839 times;… … Wikipedia
Solar System — This article is about the Sun and its planetary system. For other systems, see planetary system and star system. For a list of physical and orbital statistics for the Solar System s largest bodies, see List of gravitationally rounded objects of… … Wikipedia
