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Houston station on space to ground

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welcome to space to ground your weekly

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look at what's happening on board the

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International Space Station I'm Dan Huot

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orbital ATK is set to launch its fourth

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commercial resupply mission for the

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first time in its history the unmanned

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Cygnus spacecraft will ride into orbit

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atop an Atlas 5 rocket courtesy of

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United Launch Alliance and launch from

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Cape Canaveral in Florida

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Cygnus received a few upgrades since the

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last time it flew increasing its cargo

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carrying capacity and volume and trying

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out a new solar array design dubbed the

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SS deke Slayton - after the famous NASA

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astronaut the space freighter is loaded

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with more than 7,000 pounds of science

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hardware and supplies for use by the

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expedition 45 and 46 crews and among the

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tons of supplies packed on Cygnus are

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several exciting new science experiments

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the packed bed reactor experiment will

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be studying the behavior of gases and

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liquids when they flow together

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something that could help improve the

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design of future water recovery systems

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fuel cells and more a new burning and

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suppression of solids payload is on the

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flight and we'll explore flame resistant

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materials for use in space and here on

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earth and NASA's small spacecraft

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technology program is sending two node

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satellites to demonstrate how to control

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entire swarms of spacecraft we're all

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about robotics this December and one

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Twitter followers started us off with

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this question how is robotic technology

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being used on the station well just a

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few days after orbitals launched one of

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the biggest robotic devices will spring

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into action

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the station crew will use the large

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canadarm2 robotic arm to reach out and

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capture Cygnus once it arrives the 57

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point seven foot long limb has seven

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motorized joints and can routinely be

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seen moving equipment astronauts

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spacecraft and even huge pieces of the

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station itself it even has a super

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sophisticated attachment called Dexter

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to perform finely-tuned repairs and

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experiment work keep sending your

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robotics questions all month using the

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hashtag space-to-ground we'll see you