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The distance of a light year. How long would it take the space shuttle to go one light-year? The shuttle orbits the Earth at about 5 miles per second (18,000 mph). Light travels at 186,000 miles per second, which is about 37,200 times faster than the shuttle. So the shuttle would need about 37,200 years to go one light-year.
How long does it take for the Sun's light to reach the Earth? The Sun is about 93 million miles, or 150 million kilometers, away from the Earth. The speed of light is 186,000 miles per second or 300,000 kilometers per second.Therefore it takes about 500 seconds or a little over 8 minutes for the Sun's light to reach the Earth.Go back to TOP.he speed of light is 186,000 miles per second or 300,000 kilometers per second. Therefore it takes about 500 seconds or a little over 8 minutes for the Sun's light to reach the Earth.