what is light year
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Explanation:
one year in universe is called one light year
Answered by
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Answer:
The light-year is a unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometres or 5.88 trillion miles.
Explanation:
Metric (SI) units: 9.4607×10 m; 9.4607 Pm
Astronomical units: 63241 au; 0.3066 pc
Imperial & US units: 5.8786×1012 mi
Unit system: astronomy units
Unit of: length
Symbol: ly
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