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"HOUSTON, STATION
ON SPACE TO GROUND."

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WELCOME TO SPACE TO
GROUND, I'M HAYLEY FICK.

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THIS WEEK WILL OFFICIALLY
BRING ONE EXPEDITION TO A CLOSE

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AND WELCOME THE BEGINNING
OF ANOTHER.

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EXPEDITION 55 WILL
COME TO A CLOSE

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WHEN RUSSIAN COSMONAUT ANTON
SHKAPLEROV HANDS CONTROL

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OF THE SPACE STATION
OVER TO NASA ASTRONAUT

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AND EXPEDITION 56
COMMANDER DREW FEUSTEL.

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YOU CAN WATCH THE CHANGE OF
COMMAND CEREMONY LIVE ON NASA TV

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AT 2:25 P.M. EASTERN TIME.

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SHKAPLEROV WILL RETURN HOME
WITH NASA'S SCOTT TINGLE

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AND JAPANESE ASTRONAUT
NORISHIGE KANAI ON JUNE 3.

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A NEW THREE-PERSON
COMPLEMENT, SERGEY PROKOPYEV,

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SERENA AUNON-CHANCELLOR AND
ALEXANDER GERST WILL LAUNCH

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FROM BAIKONUR ON
WEDNESDAY, JUNE 6TH

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AND JOIN FEUSTEL'S CREW
ABOARD THE STATION ON JUNE 8.

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WITH THE CYGNUS CARGO CRAFT
DOCKED TO THE SPACE STATION,

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THERE IS PLENTY OF RESEARCH
TO KEEP THE CREW BUSY.

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THE BARRIOS PROTEIN CRYSTAL
GROWTH EXPERIMENT TESTS THE

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FEASIBILITY OF OFF-THE-SHELF
EQUIPMENT

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FOR GROWING DIFFERENT PROTEIN
SOLUTIONS AT THE SAME TIME,

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WHICH MAY ALLOW FOR
THE SPEEDY DEVELOPMENT

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OF BETTER PHARMACEUTICALS
ON EARTH.

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SOLIDIFICATION USING A BAFFLE
IN SEALED AMPOULES, OR SUBSA,

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COULD CONTRIBUTE TO IMPROVED
TECHNOLOGY ON THE GROUND

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THROUGH ITS EXPERIMENTAL METHODS

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FOR PRODUCING SEMICONDUCTOR
CRYSTALS.

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THE CREW ALSO SPENT SOME TIME
INSTALLING THE COLD ATOM LAB

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THAT WE LEARNED ABOUT LAST WEEK.

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IT STUDIES ATOMS IN
EXTREMELY COLD SITUATIONS

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WHICH CAN HELP SCIENTISTS ANSWER
QUESTIONS IN FUNDAMENTAL PHYSICS

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AND CONTRIBUTE TO THE
DEVELOPMENT OF ATOMIC CLOCKS

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AND SPACECRAFT SENSORS.

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THIS WEEK DREW FEUSTEL AND RICKY
ARNOLD ANSWER ALL YOUR QUESTIONS

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ABOUT LIFE IN SPACE IN A SPECIAL
TUMBLR VIDEO ANSWER TIME.

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HEAR STRAIGHT FROM CURRENT
SPACE STATION RESIDENTS

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ABOUT WHAT EXPERIENCING
WEIGHTLESSNESS

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FOR THE FIRST TIME FEELS LIKE,
THE EXPERIMENTS THEY PERFORM,

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AND THE BEAUTIFUL SIGHTS
THEY SEE FROM UP THERE.

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CHECK IT OUT AT
NASA.TUMBLR.COM/ANSWERTIME.

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KEEP SENDING IN YOUR QUESTIONS
USING THE HASHTAG SPACETOGROUND,

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WE'LL SEE YOU NEXT WEEK.