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INTERNATIONAL SPACE STATION

Spacewalk sets up experiments

2 min

Two astronauts headed outside to attach experimental equipement to the new European laboratory Friday. The new $1.9 billion lab was attached to the ISS on Monday.

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HOUSTON, Feb 15 (Reuters) - Two shuttle Atlantis astronauts
resumed work outside the International Space Station on Friday
to attach experiments to the hull of Europe's newly delivered
research outpost.


The Columbus module, the European Space Agency's $1.9
billion permanent space laboratory, was launched aboard
Atlantis last week and connected to the station on Monday.


Lead spacewalker Rex Walheim and partner Stanley Love flew
out of the station's airlock about 8:15 a.m. EST (1315 GMT) to
begin the third and final excursion planned during Atlantis'
nine-day visit.


The two were paired for the first spacewalk on Monday when
German astronaut Hans Schlegel was sidelined by an undisclosed
medical condition and Love substituted.


During Friday's spacewalk, Walheim and Love plan to install
a European solar observatory and a materials science experiment
on the outside of the Columbus laboratory. The module has room
for two more external experiments as well.


"It's a little satellite that mounts on the outside of the
space station," Love said before his flight. "We will pick it up
from the (shuttle's) payload bay and then, riding the (robot) arm,
I will carry it up to Columbus."


The astronauts also plan to pick up a broken gyroscope that
was replaced on the station during a previous flight and pack it
aboard the shuttle for return to Earth.


NASA hoped that Walheim, who was making his fifth spacewalk,
and Love, on his second, will have extra time, and prepared
several additional jobs for them, including an inspection of a
rough spot in a handrail outside the airlock that may be
responsible for unexplained rips in astronauts' gloves.


They also will look again at a contaminated solar wing
joint that has mired station operations since October. It has
been inspected four times previously.


NASA needs to fix the joint so the station can reach full
power before the arrival of a large Japanese laboratory known
as Kibo later this year. Replacing the faulty equipment,
however, will require four to five spacewalks, managers said.


Atlantis carried the first batch of supplies for the repair
work, two grease guns and a lubricant. Additional components
are scheduled to fly aboard Endeavour next month and on future
shuttle missions.


The agency has nine construction missions remaining to
complete the $100 billion outpost and two resupply flights
planned before the shuttle fleet is retired in 2010.

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