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it's been a busy week aboard the

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the astronauts and cosmonauts aboard

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this station

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starting off with preparations for

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a spacewalk or extra vehicular activity

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crew members chris cassidy and luca

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parmitano uh spent the early part of the

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week preparing their spacesuits and

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going over inventory for their tools

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while

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other crew members

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including karen nyberg and luca

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parmitano assisted with their

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activities as well and also participated

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in some experiment work aboard the

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station

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that

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spacewalk of course occurred on tuesday

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cassidy and parmitano conducted a six

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hour seven minute eva

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out of the quest airlock

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to replace a failed ku

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band antenna receiver box and also

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perform some maintenance and upgrades to

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station equipment they brought in an

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experiment that will later be brought

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home

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from the international space station

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as part of the spacex cargo

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return this was the

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170th spacewalk in support of station

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assembly and maintenance it was the

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fifth for chris cassidy in the first for

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luca parmitano who became the first

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italian to walk in space

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nyberg and fyodor yurchikhin russian

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cosmonaut assisted with their suit up

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and then nyberg oversaw the operations

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of the canadian robotic arm canadarm2

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from the destiny labs robotic

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wednesday the mid-week the crew started

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off cruise day started off with a bang

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literally as the on-board automated

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transfer vehicles orbital control system

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thrusters were used to raise the perigee

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or the low side

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of the station's orbit by 3.2 miles that

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places a complex in the precise orbit

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for a rival of the next progress supply

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vehicle 52p

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on july 27th

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and the departure and return home of

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vinogradov for pavel vinogradov

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alexander misurkin and cassidy in their

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soyuz capsule on september 11th the

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station now is in an orbit of 263 by 254

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crew members also continued preparations

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for the space walk conducting

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conferences with the ground and post

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spacewalk medical exams by nyberg who's

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the onboard crew medical officer

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she and parmitano also packed up the

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materials iss experiment that was

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brought in during that tuesday eva

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those experiment samples are scheduled

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to return to earth aboard the spacex 3

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commercial cargo craft later this year

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the experiments were designed to assess

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impacts of space environment on

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materials and processor

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elements

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nyberg also

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opened a shutter on a window observation

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research facility the wharf on board the

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station as part of the iss environmental

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research and visualization system which

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is designed to help gain experience in

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automated data acquisition and provide

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images for

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disaster monitoring and assessments

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misurkin in the russian segment of the

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station

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sampled

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took some samples from an experiment

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known as the vino slivost which studies

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material fatigue in the space

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environment

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results of this study will provide data

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for estimating the lifespan of

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structural elements for current and

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thursday of this week the crew protect

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continue to prepare uh further for

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next tuesday's spacewalk by recharging

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the suit batteries for the emu's the

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extra vehicular mobility units and also

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reviewing their overview plan for the

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spacewalk and conducting a long distance

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conference with the eva team on the

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ground as well

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the week will close out close out on

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friday with cassidy and parmitano

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continuing spacesuit configuration work

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and get gathering their tools for next

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tuesday's eva

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that's scheduled to begin just after 7

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a.m central time with nasa tv coverage

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the weekend the six crew members plan to

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enjoy a fairly quiet weekend on orbit

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with time off to visit long distance

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with family members and also conduct

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some status checks on experiments that

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are ongoing they'll conduct some routine

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housekeeping chores and of course

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earth observation and photography one of

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the favorite activities of crew members

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on board next week a look ahead

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obviously tuesday with that spacewalk

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that will dominate the early part of the

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week

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for the crew members on board

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and of course

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the preparations for that will commence

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once again on monday as the stage will

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be set for that early tuesday morning

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space walk

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so that's the week aboard the

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international space station and uh