NASA Test Flight Nears 7,000 Mph, Breaks Record
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An unmanned experimental jet broke a world record for speed on Tuesday, cruising over the Pacific Ocean at just under 7,000 miles per hour in a NASA test of cutting-edge &quot;scramjet&quot; engine technology.
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A car-sized NASA probe zoomed about  126 miles above the rocky, crater-scarred surface of Mercury on  Monday, becoming the first spacecraft since 1975 to fly past  the closest planet to the sun.
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The Guinness Book of Records has officially recognised the world speed record set by Nasa&#39;s X-43A hypersonic aircraft earlier this year.
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By MIKE SCHNEIDER  CAPE CANAVERAL, Fla. - A patched-up Atlantis blasted off with seven astronauts Friday on the first space shuttle flight of 2007, putting NASA back on track after a run of bad luck and scandal that included a damaging hailstorm and a lurid love triangle.
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Description: The scramjet is a new plane that can fly at nearly 10 times the speed of sound. NASA conducted a successful test-flight Tuesday.
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NASA&#39;s X-43 unmanned aircraft hit a record 6,600 mph Tuesday in the program&#39;s final test flight, providing researchers with data for use on future ultra-high-speed aircraft and spacecraft.
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An unmanned experimental jet broke  a world record for speed on Tuesday, cruising over the Pacific  Ocean at just under 7,000 miles per hour in a NASA test of  cutting-edge "scramjet" engine technology.
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NASA officials on Monday postponed for a day the launch of an unmanned experimental jet that would have attempted to shoot out across the Pacific Ocean at a record speed of more than 7,000 mph after an apparent glitch with its electronics systems.
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By staff writers and wires. NASA says it has broken the world speed record for powered flight with an experimental jet that has just flown at 10 times the speed of sound.
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A US hypersonic experimental scramjet, the X-43A, clocked up a test flight on Tuesday at a world record speed 10 times faster than sound, NASA said.
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NASA&#39;s third and final test of the X-43A scramjet ended successfully yesterday when the vehicle reached a velocity of almost Mach 9.8 over the Pacific.
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NASA&#39;s experimental X-43A, a sleek unpiloted forerunner to a routine space launcher or a blindingly fast airliner, streaked above the Pacific Ocean on Tuesday to establish a speed record for jet aircraft of about 6,600 mph.
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A sleek NASA X-43A aircraft set a world speed record Tuesday, flying at more than 6,600 mph in a test flight that eventually could revolutionize air travel and space exploration.
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A tiny unmanned NASA &quot;scramjet&quot; soared above the Pacific Ocean yesterday at nearly 10 times the speed of sound, or almost 7,000 mph, in a record-breaking demonstration of a radical new engine technology.
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CAPE CANAVERAL, Dec. 12 -- Astronauts completed a nearly seven-hour spacewalk Tuesday, the first of three difficult forays outside space shuttle Discovery during its stay at the international space station.
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NASA on Tuesday successfully conducted the final and fastest test flight of an unmanned experimental jet, at a record nearly 10 times the speed of sound, or 11,260 km per hour, it is reported.
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Nasa is due to launch an experimental jet over the Pacific today in a bid to reach a record 7,000 mph. The first X-43A flight failed in June 2001 when the booster rocket used to accelerate it to flight speed veered off course and had to be destroyed.