Question

If light takes 10 years to come from a star to earth , calculate distance of star from earth in km and in light year

Answer 1

the only thing you need is just conversion and the formula that i have written here

Answer 2

Answer:  The distance of star from earth in km is $9.45*10^13$ km  and $10$

light years.

Explanation:

A light-year is a big unit that measures how far light can travel in a year. As a result, the great distances are measured in light-years. If a star is eight light-years from the earth, that indicates that it is eight light-years farther away than the earth is from the star. Light also moves at a speed of $670,616,629$ mph ($1,079,252,849$ km/h) in a vacuum. Light covers a distance of $5,878,625,370,000$miles in one Earth year, which lasts $364.25$days ($8,766$hours) ($9.5$trillion km). One light year is the measurement for this distance.

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