Tomorrow, STS-120's dynamic duo of Scott Paraczynski and Doug Wheelock will undertake yet another spacewalk, this time to repair a torn solar panel on the array they moved and reattached earlier in the mission.
Paraczynski will be maneuvered into place at the end of the space station's robot arm, and Wheelock will be there to assist.
NASA is calling this spacewalk one of the most difficult and dangerous ever undertaken. It's being attempted to provide ISS with the most possible power. Without full power, the usefulness of the European and Japanese lab modules to be installed later will be limited. Preparing ISS for those modules was the point of the STS-120 mission.
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