The Star Rigel, in the Constellation Orion, Appears Brighter Through

Multiple Choice

The star Rigel, in the constellation Orion, appears brighter through a blue filter than it does through a yellow filter. Suppose that a second star is found that is slightly brighter than Rigel through the yellow filter but is much brighter than Rigel through the blue filter. From this information, one can say conclusively that the second star has

A) the same temperature but a lower luminosity.
B) a higher temperature.
C) a lower temperature.
D) the same temperature but a higher luminosity.