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this is mission control at the johnson

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space center in houston texas this has

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been another highly productive week for

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the expedition 35 crew one of the major

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activities for the on-orbit crew and the

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ground team has been the upgrades to the

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high rate communications systems

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ku system that activity continued this

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week highlighted by commander chris

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cassidy and tom marshburn's installation

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of the redundant ku communications 1

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unit to complete the refurbishment of

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the station's ku system

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ku unit 2 was installed and checked out

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last week and will continue to be the

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prime unit for that new system some

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remaining checkout tasks remain for next

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week tom marshburn also spent a lot of

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time on monday and tuesday working with

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robonaut the first humanoid robot in

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space

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monday tom donned a special headgear and

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gloves to test some of the teller

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operations of the robonaut throughout

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the activity he was able to control

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robonaut's head and hand movements using

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the telerobotics gear

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other smaller scale station maintenance

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tasks and activities included a

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replacement of the 25 radiation monitors

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located throughout the living quarters

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of the space station they also performed

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software updates on various laptops and

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the water processing facility and work

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on the advanced resistive exercise

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device and cleaning of the crew quarters

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as well as vents and air filters in the

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russian segment

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experiments and science were also

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significant parts of the week's activity

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including the european space agency's

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energy experiment which chris hadfield

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participated in this week he's about

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midway through the 10-day run which has

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the crew member following a defined meal

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plan

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detailed logging of the food and liquid

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intake and multiple sessions measuring

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their oxygen uptake that experiment is

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aimed at studying the crew members

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metabolic rate and measuring precisely

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how much food is needed for astronauts

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during long-duration missions

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other experiments included chromotomas

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constanta which studies the effect of

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microgravity on a model enzyme and also

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the bass experiment which is ongoing

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this afternoon

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the crew members also participated in

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interactive events with the public and

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school children in various locations

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monday chris cassidy and tom marshburn

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gathered to take questions from students

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at the mary merrick elementary school in

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pearland texas answering a wide range of

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questions about living and working in

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space the next day commander chris

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hadfield spoke with students and other

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participants in an educational event

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with more than 300 students as part of a

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joint event with yuri's night and telus

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world of science in edmonton alberta

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canada

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the newest crew members chris cassidy

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alexander misurkin and pavel vinogradov

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also had some time set aside for crew

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orientation to become accustomed to

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living and working aboard the orbiting

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complex the trio had docked to the space

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station aboard their soyuz spacecraft on

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march 28th to begin their five-month

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stay aboard the complex

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the crew will wrap up their activities

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around 2pm central time today and have

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personal time before crew sleep

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scheduled for 4 pm they have a routine