The period–luminosity relation is useful in determining a. the mass of a star for which the distance is known. b. the temperature of a star for which we know the luminosity. c. the radius of the bulge of our galaxy. d. the distance to globular clusters that contain Cepheid variables. e. the mass of the Milky Way Galaxy.
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| a. |
the mass of a star for which the distance is known.
|
|
| b. |
the temperature of a star for which we know the luminosity.
|
|
| c. |
the radius of the bulge of our galaxy.
|
|
| d. |
the distance to globular clusters that contain Cepheid variables.
|
|
| e. |
the mass of the Milky Way Galaxy.
|
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