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Space shuttle launch postponed

Space shuttle launch postponed

The shuttle was due to have blasted off early on Wednesday, but hydrogen gas leaked from a vent line on its external fuel tank, officials said.

A previous leak postponed the shuttle's launch on Saturday.

The shuttle had been due to deliver part of a Japanese laboratory to the International Space Station (ISS).

"At 1.55am (05.55 GMT) launch managers called a scrub, cancelling today's planned launch of space shuttle Endeavour on its STS-127 mission," a Nasa statement said.

"Despite troubleshooting efforts, engineers were unable to achieve a decrease in the liquid hydrogen leak."


The next ISS construction mission will not now take place until next month.

Once it goes ahead, the astronauts will carry out five spacewalks to attach a permanent platform weighing 1.9 tonnes to the Japanese laboratory.

During the mission, the ISS will be a temporary home to 13 astronauts - the first time so many have stayed on the station at once.


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