When Observed Through a Set of Photometric Filters, a Distant

question 94

Multiple Choice

When observed through a set of photometric filters, a distant star is seen to be brightest through the ultraviolet filter, less bright through the blue filter, and faintest through the yellow filter. What conclusion can be drawn from this information, assuming no absorption of light between the star and Earth?

• A) The question gives insufficient information to draw a conclusion about a star's surface temperature.
• B) The star has an intermediate temperature close to that of the Sun.
• C) The star has a very high surface temperature.
• D) The star has a very low surface temperature.

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