NASA Scrubs Test Rocket Launch Due to Bad Weather - Cleveland 19 News Cleveland, OH

NASA Scrubs Test Rocket Launch Due to Bad Weather

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UPDATE: KENNEDY SPACE CENTER, Florida (CNN) -- NASA was unable to launch its unmanned test rocket Ares I-X Tuesday because of cloudy, windy weather, but will try again Wednesday morning, the space agency said.

          Wednesday's scheduled launch time is 8 a.m. ET, NASA said.

         NASA had until noon on Tuesday to launch the 327-foot rocket -- currently the world's largest -- from the Kennedy Space Center in Florida.

         The Constellation Program, of which Ares 1-X is a part, has been developing new vehicles that would replace space shuttles, which will be phased out in 2010.

         The flight test is part of NASA's mission to someday return astronauts to the moon and later travel to Mars.

         If the Constellation Program moves forward, the Orion capsule atop the Ares rocket will not be ready to take astronauts into space until at least 2015, leaving a gap of at least five years in which the only way the United States would be able to put humans in orbit would be by hitching a ride with the Russians.

         Starting at 8 a.m. ET Tuesday, the original launch target, NASA unsuccessfully set time after time for a possible launch, but there was no go-ahead from agency weather officer Kathy Winters.

         The 9:24 a.m. launch target was scrubbed after part of the cover and lanyard at the tip of the rocket wouldn't come loose, and it took several minutes to set them free.

         There are more than 700 sensors in the vehicle, measuring such things as temperature and aerodynamics.

         Part of the test rocket mission is for scientists to test three massive main parachutes -- measuring 150 feet in diameter and weighing one ton each -- the largest rocket parachutes ever manufactured.

      The parachutes are a primary element of the rocket's deceleration system, NASA says. After the rocket is successfully launched, the parachutes are to open at the same time, "providing the drag necessary to slow the descent of the huge solid rocket motor for a soft landing in the ocean," the agency says on its Web site.

         The two parts of the rocket are to separate at about 130,000 feet. The top of the rocket, known as the upper stage, includes a mock Orion crew capsule and a launch abort system. The upper stage will continue its ascent until gravity forces its return to earth, where it will fall into the Atlantic Ocean.

         -- CNN's Kim Segal and John Zarrella contributed to this report.

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