gravitating medium

См. также в других словарях:

• Crêpe de Zeldovitch — La notion théorique de crêpe de Zeldovitch se rapporte à une condensation gazeuse issue d’une fluctuation de la densité primordiale ayant suivi le Big Bang. En 1970, Iakov Zeldovitch montra que pour un ellipsoïde gazeux d’échelle supergalactique …   Wikipédia en Français

• cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium

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• White dwarf — For other uses, see White dwarf (disambiguation). Image of Sirius A and Sirius B taken by the Hubble Space Telescope. Sirius B, which is a white dwarf, can be seen as a faint pinprick of light to the lower left of the much brighter Sirius A …   Wikipedia

• physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction       the systematic study of the inorganic world …   Universalium

• Superradiance — In quantum mechanics, superradiance refers to a class of radiation effects (or enhanced radiation effects) typically associated with the acceleration or motion of a nearby body (which supplies the energy and momentum for the effect). It is also… …   Wikipedia

• Timeline of classical mechanics — Timeline of classical mechanics:Early history* 260 BC Archimedes mathematically works out the principle of the lever and discovers the principle of buoyancy * 60 AD Hero of Alexandria writes Metrica, Mechanics, and Pneumatics * 1000 1030 Abū… …   Wikipedia

• Ligne du temps de la mécanique classique — Ligne du temps de la mécanique classique: Antiquité 4e siècle avant JC Aristote émet le système de la physique d Aristote 260 BC Archimède propose mathématiquement le principe du levier et découvre le principe flottaison 60 AD Héron d Alexandrie… …   Wikipédia en Français