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Light curve: Quiz

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Question 1: In ________, a light curve shows the photosynthetic response of leaf tissue or algal communities to varying light intensities.
EcologyBotanyBiologyPlant

Question 2: In ________, a light curve is a graph of light intensity of a celestial object or region, as a function of time.
StarAstrophysicsSunAstronomy

Question 3: In planetology, a light curve can be used to estimate the rotation period of a minor planet, moon or ________ nucleus.
CometSolar SystemCentaur (minor planet)Sun

Question 4: In some cases there is ________, where it is unclear whether there is one or several light curve peaks per rotation period.
Nyquist–Shannon sampling theoremDiscrete Fourier transformAliasingUpsampling

Question 5: Light curves can be periodic, as in the case of eclipsing binaries, ________ and other variables, or aperiodic, like the light curve of a nova, a cataclysmic variable star or a supernova.
Andromeda GalaxyCepheid variableGlobular clusterGalaxy

Question 6: The time separation of peaks in the light curve gives an estimate of the rotational period of the object, while the difference between the maximum and minimum brightness gives an estimate of the ________ of the light curve.
WaveAmplitudeCrest factorMeasuring instrument







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