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Using speed measurements of the gas at different distances from the Galactic center, the Sun appears to be cruising along at 200 kilometers per second and it takes 240 million years to complete the grand circuit around the Galaxy. This speed is an absolute speed.
Best Answer: ~33 km/s or 120,000 kph But, the sun is orbiting the Milky Way at 220 km/s. Yet the absolute velocity of the solar system is ~320 km/s. So you really are traveling one onethousandth of the speed of light!