1. (I) Using the definitions of the parsec and the

Chapter 33, Problem 1

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QUESTION:

1. (I) Using the definitions of the parsec and the light-year, show that 1 pc = 3.26 ly.

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QUESTION:

1. (I) Using the definitions of the parsec and the light-year, show that 1 pc = 3.26 ly.

ANSWER:

Step 1 of 3

A parsec is defined to be the distance to an object whose parallax angle  is 1 arcsecond. We first convert the angle  in rad by noting the conversion .

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