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Astronomy
Math and Arithmetic
Distances and Travel Times
The Moon

What is the distance can travel light in one year?

Answer

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January 19, 2008 2:59PM

Light travels at a speed of 186,300 miles per second (299,821 kilometers per second). In the vacuum of space, over 1 year, light is calculated to be able to travel 5.9 trillion miles (9.5 trillion kilometers), thus 1 light year. It takes just over 8 minutes for light to travel from the sun to the earth.