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Host Star Data Checkpoint - Radius
This checkpoint will help you think about the relationship between star radius and other features of the star.
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Below is a graph of the relationship between star radius and luminosity. Based on the graph below, which of the following statements is true.
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The higher the luminosity of a star the smaller the radius of the star.
The higher the luminosity of a star the bigger the radius of the star.
The radius of Tau Ceti is 0.78 solar radii. Is Tau Ceti bigger or smaller than the Sun?
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Hint: The Sun’s solar radius is 1 solar radii.
Tau Ceti is bigger than the Sun
Tau Ceti is smaller than the Sun
Stars with a smaller radius are...
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Bigger
Smaller
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