interstellar absorption

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• Interstellar medium — Interstellar redirects here. For other uses, see Interstellar (disambiguation). The distribution of ionized hydrogen (known by astronomers as H II from old spectroscopic terminology) in the parts of the Galactic interstellar medium visible… …   Wikipedia

• Interstellar communication — is the transmission of signals between planetary systems. Interstellar communication is potentially much easier than interstellar travel, being possible with technologies and equipment which are currently available. However, successful… …   Wikipedia

• Interstellar nitrogen monohydride — Nitrogen monohydride (NH) is a simple compound that has been detected in interstellar space. Contents 1 History 2 Chemistry 3 Significance 4 See also …   Wikipedia

• Absorption spectroscopy — An overview of electromagnetic radiation absorption. This example discusses the general principle using visible light as a specific example. A white beam source – emitting light of multiple wavelengths – is focused on a sample (the complementary… …   Wikipedia

• Absorption interstellaire — Loi d extinction interstellaire standard depuis les rayons X jusqu à l infrarouge proche. Est représentée l extinction en magnitudes en fonction de la longueur d onde pour une extinction visuelle AV = 1 mag. Les données proviennent de Morrisson… …   Wikipédia en Français

• interstellar extinction — noun the dimming of light from the stars due to absorption and scattering from dust in the interstellar medium …   Wiktionary

• interstellar line — noun : one of the dark spectral lines of a star or other distant celestial body that is caused by the absorption of atoms and molecules in the intervening interstellar gas and that does not partake of the Doppler shift of the spectral lines… …   Useful english dictionary

• Diffuse interstellar band — Relative strengths of observed diffuse interstellar bands Diffuse interstellar bands (DIBs) are absorption features seen in the spectra of astronomical objects in our galaxy. They are caused by the absorption of light by the interstellar medium.… …   Wikipedia

• Timeline of knowledge about the interstellar and intergalactic medium — Timeline of the interstellar medium and intergalactic medium* 1848 Lord Rosse studies M1 and names it the Crab Nebula * 1864 William Huggins studies the spectrum of the Orion Nebula and shows that it is a cloud of gas * 1927 Ira Bowen explains… …   Wikipedia

• space absorption — noun : the attenuation of the light of stars and galaxies when it encounters interstellar matter within a galaxy or material in the relatively empty regions between galaxies : the reddening of starlight by interstellar matter …   Useful english dictionary

• star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …   Universalium