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The fastest thing in the world - in fact the universe - know to man is light (or light particles called photons). Light travels at a speed on 186,000 miles per second.

Another viewTachyon particles travel faster than light. Man-madeThe fastest man-made thing on Earth is the X-43 (Unmanned Aircraft). It can achieve a speed of Mach 9.8 or 7,460 mph

The X-15 is the fastest manned aircraft in the world which can reach Mach 6.72 or 5,115 mph.

Outside EarthThe space shuttle is faster - 26,000 miles per hour - but technically doesn't operate in the planet.

Also, In spacecraft, The voyager 2 travels at around 35,000 mph. Rockets used to send stuff into outer space travel at speeds ranging from 17,000 mph to 36,500 mph.

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14y ago

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