Answers

2015-07-24T21:14:03+05:30
1 light year is the distance travelled by a light in vacuum in 1 year 1 light year =9.46×10^15
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2015-07-25T09:59:40+05:30
It the the total distance travelled by light in one Earth year.
Hope this helps you. And I request you to please mark my answer as the brainliest.
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