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About 165 thousand light years. A galactic, or cosmic, year, during which our Sun completes one orbit within the Milky Way Galaxy, is said to be about 225 million years. It is thought that since we're about 30,000 light years from the center of our galaxy the orbital speed of our Solar System is approximately 220 kilometers/second. So since there are 7,100,460,000,000,000 seconds in 225,000,000 years, we have a length of orbit of 220 times that. That is 1,562,101,200,000,000,000 kilometers, or 970,644,685,000,000,000 miles. In more reasonable units, that's a distance of 165,117.754 light years.

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16y ago

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