The distance to a certain star has been measured to be 750 ly. Expressed in parsecs, the distance is approximately
A) 23 pc.
B) 230 pc.
C) 750 pc because these units are identical.
D) 2445 pc.

Name: The distance to a certain star has been measured to be 750 ly. Expressed in parsecs, the distance is approximately A) 23 pc. B) 230 pc. C) 750 pc because these units are identical. D) 2445 pc.
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Question

Quizplus · Accepted Answer

One light-year (ly) is approximately 0.3066 parsecs (pc). Therefore, 750 ly is about 750 / 0.3066 ≈ 230 pc.

The Distance to a Certain Star Has Been Measured to Be