NASA again postpones Discovery launch for valve problem

Published: 25/08/2009 05:00

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The U.S. space agency NASA on Tuesday once again delayed a Wednesday morning launch of space shuttle Discovery because of a valve problem detected in the spacecraft’s fuel tank.

The space shuttle Discovery is shown on Launch Pad 39A after mission managers scrubbed a launch attempt because of bad weather at the Kennedy Space Center in Cape Canaveral, Florida August 25, 2009.(Xinhua/Reuters Photo)

The valve is inside Discovery’s aft compartment. It is used for the flow of liquid hydrogen from the external fuel tank to the main engines.

This has been the second consecutive launch postponement. A previous launch attempt scheduled for Tuesday was called off because of thunderstorms.

The launch team is evaluating the issue and has not set a new launch date and time.

Discovery’s flight will deliver supplies and equipment to the International Space Station. Inside the shuttle’s cargo bay is the Leonardo Multi-Purpose Logistics Module (MPLM), a pressurized “moving van” that will be temporarily installed to the station.

The module will deliver science and storage racks, a freezer to store research samples, a new sleeping compartment and the COLBERT treadmill.

Discovery’s 13-day mission will also include three spacewalks.

VietNamNet/Xinhuanet

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