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The two units are not compatible. A light year is a measure of distance. An arcsecond is a measure of arc or angle. To convert arc to length, you must first know the distance to what you are measuring.

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9y ago

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More answers

There are 3600" in an arc second of one degree.

here is my work.

1o (60'/ 1o)(60''/ 1') = 3600''

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Wiki User

16y ago
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24 hours of RA are equivalent to 360 degrees, so the ratio is 15 degrees per hour, 4 minutes per degree, and 15 minutes RA to 1 degree.

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Wiki User

9y ago
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There are 3600 arc-seconds in one degree.

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AnswerBot

10mo ago
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15.0411

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Wiki User

12y ago
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Q: How Many arc-seconds equal one degree?
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