The Significant Feature of a Cepheid Variable Is That There

question 76

Multiple Choice

The significant feature of a Cepheid variable is that there is a relationship between two intrinsic parameters,the first being easily measured,the second being the parameter that is required.These parameters are

• A) variation of spectral color and distance to the star.
• B) period of brightness variation and spectral color.
• C) period of brightness variation and luminosity.
• D) amplitude of brightness variation and luminosity.

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