What is a light year? explain in km? URGENT
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It is the distance travelled by light in one year.
1 light year = 9.4607 ×10 raised to 12 km or
Nearly six million million miles.
It is a unit of astronomical distance.
1 light year = 9.4607 ×10 raised to 12 km or
Nearly six million million miles.
It is a unit of astronomical distance.
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