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A Cepheid is a star that varies in light intensity over regular,...
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Cepheid Variable in NGC 3370 - NASA Science
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A Cepheid variable star is a star whose brightness alternately increases and decreases. The most easily visible such star is Delta Cephei, for which the interval between times of maximum brightness is 5.4 days. The average brightness of this star is 4.0 and its brightness changes by ±O.35. In view of these data, the brightness of Delta Cephei at time t, where t is measured in days, has been modeled by the function B(t) = 4.0 0.35 sin((2 πt)/(5.4)) (a) Find the rate of change of the brightness
A Cepheid variable star is a star whose brightness alternately incre…
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a cepheid variable star is a star whose brightness alternately increases and decreases for a certain star the interval between times of maximum brightness is 36 days the average brightness of this s 2
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