ddjohnson8738 ddjohnson8738

08-04-2024
Physics

contestada

Consider two main sequence stars, X and Y, which share the same surface temperature. Which of the following is true if star X is twice as far away as star Y?
a) Star X appears brighter than star Y
b) Star Y appears brighter than star X
c) Both stars have the same apparent brightness
d) Star X appears four times brighter than star Y

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