Question

what is light year?​

Answer 1

Answer:

A light year is the distance coved by light in a year

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Answer 2

Answer:

The light-year is a unit of length used to express astronomical distances and measures about 9.46 trillion kilometres or 5.88 trillion miles. As defined by the International Astronomical Union, a light-year is the distance that light travels in vacuum in one Julian year.

Unit of: length

1 ly in...: is equal to

Metric (SI) units: 9.4607×1015 m; 9.4607 Pm

Imperial & US units: 5.8786×1012 mi

Unit system: astronomy units

Astronomical units: 63241 au; 0.3066 pc

Symbol: ly

Explanation:

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