Question

5.
What is light year and what is its
equivalent value in km?​

Answer 1

Answer:

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Answer 2

Answer:

The light-year is a unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometres (9.46×1012 km) or 5.88 trillion miles (5.88×1012 mi).[note 1] 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).[2] Because it includes the word "year", the term light-year may be misinterpreted as a unit of time.[3]

result: One light-year equals 5,878,625,370,000 miles (9.5 trillion km).

Step-by-step explanation:

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