circumstellar dust cloud

См. также в других словарях:

• Circumstellar disk — A circumstellar disk is a torus, pancake or ring shaped accumulation of matter composed of gas, dust, planetesimals, asteroids or collision fragments in orbit around a star. Around the youngest stars, they are the reservoirs of material out of… …   Wikipedia

• Cosmic dust — Space dust redirects here. For other uses, see Space dust (disambiguation). Porous chondrite interplanetary dust particle. Cosmic dust is a type of dust composed of particles in space which are a few molecules to 0.1 µm in size. Cosmic dust… …   Wikipedia

• Molecular cloud — See also: Solar nebula Within a few million years the light from bright stars will have boiled away this molecular cloud of gas and dust. The cloud has broken off from the Carina Nebula. Newly formed stars are visible nearby, their images… …   Wikipedia

• Comet dust — refers to cosmic dust that originates from a comet. Comet dust can provide clues to comets origin. Dust and comet origin Microscopic view of comet dust particle The models for the origin of comets are[1]: 1) the interstellar model, 2) the solar… …   Wikipedia

• Circular polarization — The electric field vectors of a traveling circularly polarized electromagnetic wave. In electrodynamics, circular polarization[1] of an electromagnetic wave is a polarization in which the electric field of the passing wave does not change… …   Wikipedia

• Circular polarization of starlight — The circular polarization of starlight has been observed to be a function of the linear polarization of starlight.Starlight becomes partially linearly polarized by scattering from elongated interstellar dust grains whose long axes tend to be… …   Wikipedia

• Color–color diagram — In astronomy, color–color diagrams are a means of comparing the apparent magnitudes of stars at different wavelengths. Astronomers typically observe at narrow bands around certain wavelengths, and objects observed will have different brightnesses …   Wikipedia

• Liste de molecules detectees dans le milieu interstellaire — Liste de molécules détectées dans le milieu interstellaire Cet article est une liste de molécules qui ont été détectée dans le milieu interstellaire, groupées par nombre d atomes constituant. La formule brute de chaque composé est mentionnée,… …   Wikipédia en Français

• Liste de molécules détectées dans le milieu interstellaire — Cet article est une liste de molécules qui ont été détectées dans le milieu interstellaire, groupées par nombre d atomes constituant. La formule brute de chaque composé est mentionnée, ainsi que toute forme ionisée qui aurait éventuellement été… …   Wikipédia en Français

• Herbig Ae/Be stars — are pre main sequence stars young ( …   Wikipedia

• Extinction (astronomy) — Extinction is a term used in astronomy to describe the absorption and scattering of electromagnetic radiation by matter (dust and gas) between an emitting astronomical object and the observer. Interstellar extinction also called Galactic… …   Wikipedia