Weather Forces Launch Delay
August 24, 2009
1:25 a.m. - No launch tonight. Next opportunity: 1:10 a.m. EDT on Wednesday
12:30 a.m. - Rather dismal weather outlook for launch tonight. Main concern is lighting in the area. The crew is aboard the shuttle and the hatch is closed.
11 p.m. - The seven astronauts slated to fly on Discovery are settling into their seats to await the final few hours of the countdown. Liftoff remains targeted for 1:36 a.m. EDT. Lightning storms have cleared from the area, though a few straggling clouds remain.
4:40 p.m. - NASA has begun the three-plus hour operation to fill up shuttle Discovery's fuel tank for launch in the wee hours.
Liftoff is set for 1:36 a.m. EDT from the Kennedy Space Center in Florida.
The shuttle is filled with a cargo pod holding more than seven tons of science gear, supplies and spare parts for the International Space Station, including a second treadmill named after Comedy Central's Stephen Colbert.
Discovery's six-man, one-woman crew, headed by three-time flier Rick Sturckow, is scheduled to arrive at the launch pad shortly after 10 p.m. tonight. Already aboard are eight mice that will be taking up residence on the station for the next few months. Four of the critters have been genetically altered for an experiment scientists hope will give them fresh insights into why astronauts lose bone mass during long-duration stays in the gravity-free world of space. The research also may lead to more effective treatments for osteoporosis, a bone-destroying disease that afflicts millions of people on Earth.
The shuttle is scheduled to spend 13 days in orbit, including nine at the station, currently staffed by two Russians, two Americans, a Canadian and a European. Discovery rookie astronaut Nicole Stott will be joining the crew, taking the place of NASA astronaut Tim Kopra. She's the last station crewmember who will be hitching a ride on a space shuttle. From here on out, NASA plans to rotate station crews using Russian Soyuz spacecraft.
The shuttles are being retired sometime late next year or early 2011 and with six-member crews now living on the station NASA says there aren't enough seats on the shuttle to smoothly handle crew rotations.
Discovery's launch is the 128th in shuttle program history and the fourth of five missions planned for this year. After Discovery's flight, six missions remain to complete the station.


















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