Convert 17 Light Years to Kilometers
How far is 17 light years? How long is 17 light years in kilometers? 17 ly to km conversion.
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17 Light Years ≈
160,832,418,033,874 Kilometers
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Result in Plain English
17 light years is equal to about 161 trillion kilometers.
In Scientific Notation
17 light years
= 1.7 x 101 light years
≈ 1.60832 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.