Question

speed of light
and light year
​

Answer 1

Answer:

In a vacuum, light travels at 670,616,629 mph (1,079,252,849 km/h). To find the distance of a light-year, you multiply this speed by the number of hours in a year (8,766). The result: One light-year equals 5,878,625,370,000 miles (9.5 trillion km).

Explanation:

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Answer 2

Answer:

670,616,629 - Speed of light. Unit - Mph

Secondly , light year is a distance so, Distance will be 9.46 trillion kilometers. Or you can say 5.88 miles.