Spica (In Virgo) and Hador (In Centaurus) Have About the Same

question 180

Multiple Choice

Spica (in Virgo) and Hador (in Centaurus) have about the same temperature. However, Hador has roughly 4 times the luminosity of Spica. What can one determine about the relative radii of these two stars? Spica is about

• A) the same diameter as Hador.
• B) half the diameter of Hador.
• C) one-quarter the diameter of Hador.
• D) twice the diameter of Hador.

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