STS 122\1E FD9

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Chipstone306

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STS-122 Astronauts Prepare for Third Spacewalk

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Image above: STS-122 crew members in the Quest airlock prepare for today's spacewalk. Photo credit: NASA TV

Astronauts Rex Walheim and Stanley Love are getting ready to perform the third STS-122 spacewalk, which begins this morning. The spacewalk is slated to last 6.5 hours.

In this final scheduled spacewalk of the mission, Walheim and Love will install two payloads on the exterior of the European Space Agency’s Columbus laboratory. The first, SOLAR, is an observatory that will monitor the sun for two years. The second is the European Technology Exposure Facility, which will carry nine experiments requiring exposure to the space environment.

The spacewalkers also will put handrails and worksite interfaces on Columbus.

In addition, Walheim and Love’s tasks include moving a failed control moment gyroscope from its storage location on the station to space shuttle Atlantis’ payload bay for return to Earth.

Atlantis and the STS-122 crew are scheduled to leave the space station on Monday, with undocking slated for 4:26 a.m. EST that day.
 

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Third STS-122 Spacewalk in Progress

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Image above: Mission Specialist Stan Love holds a failed control moment gyroscope while riding the International Space Station's robotic arm into space shuttle Atlantis' payload bay. Photo credit: NASA TV

The third STS-122 spacewalk is under way. Astronauts Rex Walheim and Stanley Love began their work outside the International Space Station at 8:07 a.m. EST today.

With Mission Specialist Leland Melvin driving the space station's robotic arm, Love carried the SOLAR experiment package from space shuttle Atlantis’ payload bay to the European Space Agency’s Columbus laboratory where the spacewalkers installed it. SOLAR – the first of two payloads to be installed on Columbus’ exterior today – is an observatory that will monitor the sun for two years.

The spacewalkers also are tasked with installing the European Technology Exposure Facility (EuTEF), which carries nine experiments requiring exposure to the space environment. EuTEF is being attached to Columbus’ exterior as well.

In addition, Walheim and Love’s tasks include moving a failed control moment gyroscope from its storage location on the station to the orbiter’s payload bay for return to Earth.

Pilot Alan Poindexter is guiding the spacewalkers from inside the orbiting complex.

Atlantis and the STS-122 crew are scheduled to leave the space station on Monday, with undocking slated for 4:26 a.m. that day.
 
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