13. Star A and Star B are identical in all respects. For example, they could both be main sequence stars
of the same spectral type. However, looking from the earth, star B has the brightness of star A. How much
more distant from us is star B compared to star A.
A. Same distance
C. Three times as distance
B. Twice as distance
D. Four times as distant​


Sagot :

Answer:

A. Same distance

Explanation:

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