The blackbody spectra of a star with a temperature of 6000 K and a star with a temperature of 4000 K are shown in the figure below.An astronomer uses a telescope to observe each of these two stars in both the blue and red filters.The blue filter is centered at 450 nm, while the red filter is centered at 660 nm.For each of the two stars, indicate through which filter that star will be brighter.Explain your answer. 
Definitions:
Price Variance
The difference between the actual cost of a good or service and its planned or standard cost, indicating how effectively resources are being used.
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