Weather outlook worsens for space shuttle launch
(AP) -- NASA has yet to decide whether space shuttle Discovery is safe to lift off on its final mission Thursday. The weather, though, is getting worse.
Forecasters on Wednesday said there is now an 80 percent chance that rain or thunderstorms will interfere.
Wednesday's launch attempt was called off 24 hours in advance because of main engine controller trouble. The computerized controller was slow in starting up, then had strange voltage readings.
Mission managers are meeting at the Florida launch site Wednesday afternoon to decide whether the problem poses any threat to liftoff. If repairs are needed, the delay could be significant.
Discovery will head to the International Space Station for its last trip into orbit.
More information: NASA: http://www.nasa.gov
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