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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.
I did a bit of a calculation and came up with this, I hope I got it right. Light travels 9,454,254,955,488 Km per year. Spacecraft travels at around 50,000 Km per hour 438,000,000 Km per year. Just over 21,585 years to cover the distance. Here's some refs. for a bit of thought.