light curves

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• Light curve — In astronomy, a light curve is a graph of light intensity of a celestial object or region, as a function of time. The light is usually in a particular frequency interval or band.Light curves can be periodic, as in the case of eclipsing binaries,… …   Wikipedia

• light curve — Astron. a graph showing variations in brightness of celestial objects over time. [1885 90] * * * ▪ astronomy       in astronomy, graph of the changes in brightness with time of a star, particularly of the variable type. The light curves of… …   Universalium

• Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …   Wikipedia

• Light rail — For specific light rail systems, many of which use the words light rail as part of their name, see List of tram and light rail transit systems. Edmonton Light Rail Transit in Edmonton, Alberta, Canada …   Wikipedia

• light water line — Water line Wa ter line 1. (Shipbuilding) Any one of certain lines of a vessel, model, or plan, parallel with the surface of the water at various heights from the keel. [1913 Webster] Note: In a half breadth plan, the water lines are outward… …   The Collaborative International Dictionary of English

• Tired light — is a class of hypothetical redshift mechanisms that were proposed as an alternative explanation for the redshift distance relationship as alternatives to the Big Bang and the Steady State cosmologies, both of which proposed that Hubble s law was… …   Wikipedia

• US Standard Light Rail Vehicle — Infobox Train name = US Standard Light Rail Vehicle imagesize = 250px caption = Boeing Vertol USSLRV #3523 in service for the MBTA on the Green Line C Branch bound for Cleveland Circle. This car has since been scrapped [… …   Wikipedia

• Faster-than-light — (also superluminal or FTL) communications and travel refer to the propagation of information or matter faster than the speed of light. Science fiction style space travel, dubbed true FTL, defies known physics.Under the special theory of… …   Wikipedia

• List of curves — This is a list of curves, by Wikipedia page. See also list of curve topics, list of surfaces, Riemann surface. Algebraic curves*Cubic plane curve *Quartic plane curve *Quintic plane curve *Sextic plane curveRational curves*Ampersand curve… …   Wikipedia

• Leighton Buzzard Light Railway — Heritage Railway name = Leighton Buzzard Light Railway caption = A train on the LBLR being pulled by no. 11 PC Allen locale = England terminus = Leighton Buzzard linename = Leighton Buzzard Light Railway builtby = A.J. Arnold and G. Garside… …   Wikipedia

• Traffic light — The traffic light, also known as traffic signal, stop light, traffic lamp, stop and go lights, robot or semaphore, is a signaling device positioned at a road intersection, pedestrian crossing, or other location. Its purpose is to indicate, using… …   Wikipedia