Two Main-Sequence Stars Have the Same Temperature

question 50

Multiple Choice

Two main-sequence stars have the same temperature.If star A is four times brighter than star B then

• A) star B is two times farther away than star A.
• B) star B is four times farther away than star A.
• C) star B and Star A lie at the same distance from us.
• D) it is impossible to determine their relative distances from the information given.

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