one light-year is equal to how many years?
one light-year is equal to how many kilometres?
one light-year is equal to how many metres?
ans why it's known to be 'light year'?
Answer all with explaination.

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Solution

Dear Student,
A light-year is a measurement of distance, and it is equal to the distance a beam of light travels in a single Earth year(365 days).
One light-year is equal to 9.4607 × 10¹² km.
One light-year is equal to 9.4607 × 10¹⁵ m.
It is known as light year as it is equal to the distance a beam of light travels in a single Earth year(365 days).
Regards

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one light-year is equal to how many years? one light-year is equal to how many kilometres? one light-year is equal to how many metres? ans why it's known to be 'light year'? Answer all with explaination.

one light-year is equal to how many years?
one light-year is equal to how many kilometres?
one light-year is equal to how many metres?
ans why it's known to be 'light year'?
Answer all with explaination.