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houston station on space to ground

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welcome to space to ground i'm kayla

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lafrance with a full crew compliment on

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board the space station the orbiting

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laboratory is as busy as ever

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earlier this week ross cosmos cosmonauts

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oleg artemyev and denise motve concluded

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the 249th

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spacewalk in support of the orbiting

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laboratory the duo spent 6 hours and 37

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minutes on their eva and completed their

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major objectives which included the

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installation of handrails onto nyoka's

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external shell and of a control panel

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for the new european robotic arm the

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european robotic arm is a 37 foot long

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manipulator system mounted to the

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recently arrived multi-purpose

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laboratory module and will be used to

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move space walkers and payloads around

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the russian segment of the station

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during the next russian spacewalk

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scheduled for thursday april 28th the

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spacewalkers will continue their work to

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ready the new robotic arm for service

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friday april 22nd is earth day and one

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of the best ways to study our home

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planet is off of it the international

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space station offers a unique vantage

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point for study in earth for more than

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200 miles above it

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multiple earth observing instruments are

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mounted on the exterior of the station's

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modules including a limb full of cameras

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science observers and tools that hang

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off the edge of the station's japanese

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experiment module we're studying the

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role of plants in the carbon cycle

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tracking the ozone and the total energy

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flowing into earth from the sun

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this research is advancing numerous

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climate records and models

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earth orbiting cubesats are also

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regularly deployed from the station's

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airlock crews spend time each week

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taking photos of the planet from the

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orbiting labs windows and the astronauts

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even conduct earth science experiments

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all of this work provides insight into

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the climate of our home and how we might

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prepare for coming changes

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we also invite you to view the season 2

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premiere of the nasa series down to

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earth

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astronaut sunny williams kicks off the

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new season with a conversation about

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viewing our home planet from 250 miles

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above

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earlier this week the members of crew 4

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landed at nasa's kennedy space center

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ahead of their upcoming launch

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the crew will continue their final

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preparation for their mission which will

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be nasa and spacex fourth crew rotation

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mission of the spacex crew dragon

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spacecraft to the space station nasa

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astronauts lindgren heinz watkins and

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esa astronaut christopher reddy are

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scheduled to launch from launch complex

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39a at the kennedy space center if you

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want to watch any of nasa's full live

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coverage of upcoming events in space and

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on the ground head over to nasa

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television the nasa app or the agency's

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website

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that space to ground for this week