Two Main-Sequence Stars Have the Same Temperature

question 84

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

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