Question

What is the value of a light year in SI Units?

Answer 1

0.3066 PC
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Answer 2

0.3066 pc.
The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles. As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in vacuum in one Julian year (365.25 days).