- atmospheric refraction
-
change in the direction of propagation of electromagnetic radiation or sound waves in traversing the atmosphere. Such changes are caused by gradients in the density of the air. See refraction.
* * *
Universalium. 2010.
atmospheric refraction
Look at other dictionaries:
Atmospheric refraction — is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation in air density as a function of altitude. Atmospheric refraction near the ground produces mirages and can make… … Wikipedia
atmospheric refraction — atmosferinis lūžimas statusas T sritis fizika atitikmenys: angl. atmospheric refraction; terrestrial refraction vok. atmosphärische Brechung, f rus. атмосферная рефракция, f pranc. réfraction atmosphérique, f … Fizikos terminų žodynas
atmospheric refraction — atmosferinė refrakcija statusas T sritis fizika atitikmenys: angl. atmospheric refraction vok. atmosphärische Refraktion, f rus. атмосферная рефракция, f pranc. réfraction atmosphérique, f … Fizikos terminų žodynas
Refraction — Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a different… … The Collaborative International Dictionary of English
Refraction circle — Refraction Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a… … The Collaborative International Dictionary of English
Refraction of latitude — Refraction Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a… … The Collaborative International Dictionary of English
Atmospheric diffraction — is manifested in the following principal ways:* Fourier optics is the bending of light rays in the atmosphere, which results in remarkable visual displays of astronomical objects, such as depictions on this page.* Radio wave diffraction is the… … Wikipedia
Réfraction astronomique — Réfraction atmosphérique Photographie de la Lune partiellement obscurcie par l atmosphère terrestre, prise depuis la navette spatiale Discovery. On remarque que la forme apparente de la Lune dans sa partie basse n est plus circulaire en raison de … Wikipédia en Français
Réfraction terrestre — Réfraction atmosphérique Photographie de la Lune partiellement obscurcie par l atmosphère terrestre, prise depuis la navette spatiale Discovery. On remarque que la forme apparente de la Lune dans sa partie basse n est plus circulaire en raison de … Wikipédia en Français
Atmospheric duct — Fata Morgana of Farallon Islands with clearly seen duct In telecommunication, an atmospheric duct is a horizontal layer in the lower atmosphere in which the vertical refractive index gradients are such that radio signals (and light rays) (a) are… … Wikipedia
