How would two stars of equal luminosity—one blue and the other red—appear in an image taken through a filter that passes mainly blue light? How would their appearance change in an image taken through a filter that transmits mainly red light?
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How would two stars of equal luminosity—one blue and the other red—appear in an image taken through
a filter that passes mainly blue light? How would their appearance change in an image taken through a filter
that transmits mainly red light?
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