Multiple Choice
Suppose that two identical stars (they have the same total light output) are located so that star A is at a distance of 5 pc, and star B is at a distance of 25 pc from Earth. How will star B appear, compared with star A?
A) Star B will be 1/5 as bright as star A.
B) Star B will be 1/25 as bright as star A.
C) Star B will be 1/2.2 as bright as star A.
D) Star B will be 1/20 as bright as star A.
Correct Answer:

Verified
Correct Answer:
Verified
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