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What's the fastest man-made thing ever built?
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The fastest man-made thing ever built is the NASA Parker solar probe. It is traveling at 430,000 miles per hour (692017 kilometers per hour)
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The fastest human-made objects are spacecraft. They use rockets to break free of the Earth's gravity, which takes a speed of 25,000 mph (40,000 kmh). The spacecraft that is traveling the fastest is NASA's Parker Solar Probe.
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