How far does light travel in one year? [This distance is known as a light-year (ly) and is used in measuring astronomical distances.]
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The speed of light is approximately 299,792 kilometers per second (km/s) or about 186,282 miles per second (mi/s). Show more…
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How far does light travel in 1 year? This distance is known as a light-year and is a commonly used length in astronomy.
How far does light travel in 1 year? [This distance, known as a light-year (ly), is used in measuring astronomical distances (Ch. 18.1).]
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