INTERNATIONAL SPACE STATION (AP) -- NASA has postponed a spacewalk as it scrambles to deal with two power problems at the international space station.
The spacewalk set for tomorrow was supposed to deal with a malfunctioning rotary joint for the solar wings on the right side of the space station. Instead, the astronauts were informed that their next spacewalk will be Friday -- at the earliest. That spacewalk will now involve work with the station's ripped solar wing.
Both issues are competing for the precious little spacewalking time that's left in Discovery's mission, which already was extended a day after the joint problem cropped up last weekend.
Five spacewalks had been scheduled for Discovery's space station construction mission.
At a news conference earlier today, shuttle commander Pamela Melroy said that her crew is ready to tackle whatever repairs are ordered.
(Copyright 2007 by The Associated Press. All Rights Reserved.)
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