What is light year - Definition and Meaning

Light Year :

A Light year is the unit of Length. Its the measurement of distance travelled by light in one Julian year. The speed of light is 299 792 458 m / s.
One Light Year = 9.4605284 x 1015 meters


Example :

Distance travelled by a beam of light in one year is approximately equal to 9 trillion kilometres.
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Learn what is light year. Also find the definition and meaning for various math words from this math dictionary.


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