2 years ago

How much miles is a light year

1 answer:

8 0

1 light-year = roughly 5,874,601,700,000 miles. (rounded)

To work it out, take the speed of light, and change units a few times:

      (186,282.397 miles/second)
times
          (86,400 second/day)
times
          (365 day/year)

=   (186,282.397 x 86,400 x 365) mile/year .

You can whip that out on your calculator in no time.

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