luminous ray

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• luminous ray — šviesos spindulys statusas T sritis fizika atitikmenys: angl. light ray; luminous ray vok. Lichtstrahl, m rus. луч света, m; световой луч, m pranc. rayon lumineux, m …   Fizikos terminų žodynas

• ray — Ⅰ. ray [1] ► NOUN 1) each of the lines in which light seems to stream from the sun or any luminous body. 2) the straight line in which radiation travels to a given point. 3) (rays) a specified form of non luminous radiation: ultra violet rays. 4) …   English terms dictionary

• ray — ray1 noun 1》 each of the lines in which light seems to stream from the sun or any luminous body, or pass through a small opening.     ↘the straight line in which light or other electromagnetic radiation travels to a given point.     ↘(rays) a… …   English new terms dictionary

• ray — ray1 raylike, adj. /ray/, n. 1. a narrow beam of light. 2. a gleam or slight manifestation: a ray of hope. 3. a raylike line or stretch of something. 4. light or radiance. 5. a line of sight. 6. Physics, Optics. a …   Universalium

• ray — I. /reɪ / (say ray) noun 1. a narrow beam of light. 2. a gleam, or slight manifestation, of intelligence, comfort, etc.: a ray of hope. 3. a ray like line or stretch of something. 4. Poetic light or radiance. 5. a line of sight. 6. Physics a. any …  

• ray — I [[t]reɪ[/t]] n. 1) a narrow beam of light 2) a slight manifestation: a ray of hope[/ex] 3) radiance 4) opt phs opt a) any of the lines or streams in which light appears to radiate from a luminous body b) the straight line normal to the wave… …   From formal English to slang

• light ray — šviesos spindulys statusas T sritis fizika atitikmenys: angl. light ray; luminous ray vok. Lichtstrahl, m rus. луч света, m; световой луч, m pranc. rayon lumineux, m …   Fizikos terminų žodynas

• Gamma ray burst — [ GRB 990123 taken on January 23, 1999. The burst is seen as a bright dot denoted by a square on the left, with an enlarged cutout on the right. The object above it with the finger like filaments is the originating galaxy. This galaxy seems to be …   Wikipedia

• Ultraluminous X-ray source — An ultra luminous X ray source (ULX) is an astronomical source of X rays that is not in the nucleus of a galaxy, and is more luminous than 1039 erg/s (1032 watts), assuming that it radiates isotropically. Typically there is about one ULX per… …   Wikipedia

• X-ray binary — Artist s impression of an X ray Binary X ray binaries are a class of binary stars that are luminous in X rays. The X rays are produced by matter falling from one component, called the donor (usually a relatively normal star) to the other… …   Wikipedia

• List of most luminous stars — Below is a list of stars arranged in order of decreasing luminosity (increasing bolometric magnitude). Accurate measurement of stellar luminosities is quite difficult in practice, even when the apparent magnitude is measured accurately, for three …   Wikipedia