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Universalium. 2010.
Poynting-Robertson effect — The Poynting Robertson effect, also known as Poynting Robertson drag, named after John Henry Poynting and Howard Percy Robertson, is a process by which solar radiation causes a dust grain in the solar system to slowly spiral inward. The drag is… … Wikipedia
Poynting-Robertson effect — /poyn ting rob euhrt seuhn/, Astron. the slowing down and consequent spiraling inward of small particles orbiting the sun, due to their interaction with solar radiation. [1955 60; after English physicist John H. Poynting (1852 1914) and U.S.… … Useful english dictionary
Poynting-Robertson-Effekt — Der Poynting Robertson Effekt resultiert aus dem Strahlungsdruck, den die Sonnenstrahlung auf die interplanetare Materie ausübt und bewirkt, dass sich die Umlaufbahnen kleiner Teilchen immer mehr der Sonne annähern. Inhaltsverzeichnis 1 Erklärung … Deutsch Wikipedia
Effet poynting-robertson — L effet Poynting Robertson, nommé d après John Henry Poynting et Howard Percy Robertson est un processus par lequel la radiation solaire provoque la descente en spirale des particules de poussière dans un système solaire. L effet est dû au fait… … Wikipédia en Français
Effet Poynting-Robertson — L effet Poynting Robertson, nommé d après John Henry Poynting et Howard Percy Robertson est un processus par lequel la radiation solaire provoque la descente en spirale des particules de poussière dans un système solaire. L effet est dû au fait… … Wikipédia en Français
Efecto Poynting-Robertson — Saltar a navegación, búsqueda El efecto Poynting Robertson es un proceso por el cual las partículas de polvo interplanetario se mueven lentamente en espiral hacia el Sol por causa de la radiación solar. Esto se debe a que el movimiento orbital de … Wikipedia Español
Poynting , John Henry — (1852–1914) British physicist Poynting was born at Monton, near Manchester, and educated at the universities of Manchester and Cambridge (1872–76). He served as professor of physics at Mason Science College (later the University of Birmingham)… … Scientists
John Henry Poynting — Infobox Scientist name = John Poynting box width = 300px image width = 240px caption = John Henry Poynting (1852 1914) birth date = birth date|1852|09|09 birth place = Monton, Lancashire, England death date = death date and… … Wikipedia
Differential Doppler effect — The Differential Doppler effect occurs when light is emitted from a rotating source. In circumstellar environments it describes the difference in photons arriving at orbiting dust particles. Photons that originate from the limb that is rotating… … Wikipedia
Howard Percy Robertson — (January 27, 1903 ndash; August 26, 1961) was an American mathematician and physicist known for contributions related to physical cosmology and the uncertainty principle. He was a member of the National Academy of Sciences and the American… … Wikipedia
