Convert 77 Light Years to Kilometers
How far is 77 light years? How long is 77 light years in kilometers? 77 ly to km conversion.
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77 Light Years ≈
728,476,246,388,722 Kilometers
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Result in Plain English
77 light years is equal to about 728 trillion kilometers.
In Scientific Notation
77 light years
= 7.7 x 101 light years
≈ 7.28476 x 1014 kilometers
Light Years
A light year is the distance that light travels in one year. The year used by the International Astronomical Union is 365.25 days. A light year is defined as exactly 9,460,730,472,580.8 kilometers.
Kilometers
A kilometer, or kilometre, is a unit of length equal to 1,000 meters, or about 0.621 miles. In most of the world, it is the most common unit for measuring distance between places.