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"HOUSTON, STATION
ON SPACE TO GROUND."

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WELCOME TO SPACE TO
GROUND, I'M RYON STEWART.

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YOU WANT SCIENCE?

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HOW ABOUT THE 17 NASA
PAYLOADS JUST ADDED

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TO THE INTERNATIONAL
SPACE STATION

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WITH THE BERTHING OF
SPACE-X DRAGON 15.

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AFTER THREE DAYS OF CIRCLING
THE EARTH WITH GROUND TEAMS

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IN HAWTHORNE AND HOUSTON
WATCHING ITS EVERY MOVE,

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DRAGON WAS CAPTURED BY NASA
ASTRONAUT RICKY ARNOLD.

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THE SPACECRAFT CARRYING
NEARLY 6000 POUNDS

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OF CARGO WAS ATTACHED TO
THE NODE 2 HARMONY MODULE

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ABOUT 250 MILES HIGHER THAN
IT WAS A FEW DAYS BEFORE.

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ALONG FOR THE RIDE AND NOW
JOINING THE STATION CREWMEMBERS

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IS CIMON - A CREW
INTERACTIVE MOBILE COMPANION.

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CIMON WILL BE THE FIRST
ARTIFICIAL INTELLIGENCE-BASED

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ASSISTANT USED ON STATION.

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ITS PRIMARY DESIGN IS TO
HELP WITH ROUTINE TASKS.

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HOWEVER, THANKS TO ITS NEURAL
AI NETWORK AND ABILITY TO LEARN,

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CIMON MAY VERY WELL
OFFER SOLUTIONS

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TO ONBOARD PROBLEMS
SHOULD THEY OCCUR.

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IN ORDER TO SERVE AS A TEST
CASE FOR THE NEW TECHNOLOGY,

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THE FIRST MISSION FOR CIMON WILL
ONLY UTILIZE A SELECTED RANGE

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OF CAPABILITIES.

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IF ALL GOES WELL,
AI-BASED ASSISTANTS

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LIKE CIMON WILL BE
A CRITICAL PART

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OF LONG-DURATION HUMAN
SPACE FLIGHT IN THE FUTURE.

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UNTIL THEN, ONLY TIME
WILL TELL WHAT CIMON SAYS.

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THIS WEEK'S TWITTER QUESTION
COMES FROM OZZY WHO WANTS

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TO KNOW HOW WE KEEP TRACK
OF WHERE WE ARE IN SPACE.

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THIS IS A GREAT QUESTION AND
YOU'LL FIND OUT THAT IT'S NOT

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THAT DIFFERENT THAN WHAT YOU
PROBABLY USE ON A DAILY BASIS.

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YOUR POSITION IN SPACE IS PART

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OF WHAT IS KNOWN AS
YOUR STATE VECTOR.

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THIS INCLUDES YOUR
POSITION AND VELOCITY

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IN THREE DIMENSIONS AND TIME.

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THE INTERNATIONAL SPACE STATION
ACQUIRES ITS STATE VECTOR

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AND THUS POSITION USING GPS,
NOT UNLIKE YOUR SMART PHONE.

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USING SIGNALS FROM GPS
SATELLITES ABOVE, THE COMPUTERS

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ON STATION CAN FIGURE OUT WHERE
IT IS WITH RESPECT TO EARTH

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AND WHICH DIRECTION
IT IS HEADING.

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IN FACT, THE SAME
SIGNALS ARE USED

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TO DETERMINE THE ORIENTATION,
OR ATTITUDE, OF STATION.

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SO NEXT TIME YOU FIND
YOURSELF NAVIGATING VIA GPS,

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JUST KNOW THAT THE INTERNATIONAL
SPACE STATION IS DOING THE EXACT

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SAME THING.

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KEEP SENDING IN YOUR QUESTIONS
USING THE HASHTAG SPACETOGROUND,

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WE'LL SEE YOU NEXT WEEK.