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WELCOME TO SPACE TO GROUND, YOUR WEEKLY LOOK
AT WHAT’S HAPPENING ON BOARD THE INTERNATIONAL

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SPACE STATION.

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I’M JOSH BYERLY.

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FLIGHT CONTROLLERS ARE STILL LOOKING INTO
WHAT CAUSED ONE OF THE STATION’S TWO COOLANT

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LOOPS TO SHUT DOWN THIS WEEK.

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THESE LOOPS CIRCULATE AMMONIA OUTSIDE THE
STATION TO KEEP THE ELECTRONICS COOL.

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THEY SUSPECT A VALVE DIDN’T WORK THE WAY
IT WAS SUPPOSED TO.

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THE CREW IS FINE, AND WE’LL KEEP YOU UPDATED
AS MISSION CONTROL FIGURES OUT HOW TO FIX

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THE ISSUE.

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MEANWHILE ORBITAL SCIENCES IS GETTING READY
FOR ITS CYGNUS TO HEAD TO THE STATION.

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IT’LL BE TAKING ABOUT TWENTY-SEVEN-HUNDRED
POUNDS OF CARGO UP TO THE CREW.

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IF YOU LIVE ANYWHERE FROM SOUTH CAROLINA UP
TO MASSACHUSETTS, MAKE SURE YOU LOOK UP BECAUSE

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YOU’LL BE ABLE TO SEE THE LAUNCH.

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FOR THE LATEST UPDATES ON THE LAUNCH DATE
AND TIME, LOG ON TO NASA.GOV/STATION.

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IN STATION SCIENCE, THE CREW HAS BEEN LOOKING
AT HOW CIRCADIAN RHYTHMS ARE IMPACTED BY LIVING

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IN SPACE.

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ANYONE WHO HAS SUFFERED JET LAG KNOWS THE
IMPORTANCE OF STAYING ON A NORMAL SCHEDULE.

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WELL, YOU CAN PROBABLY IMAGINE WHAT IT FEELS
LIKE GOING AROUND THE WORLD 16 TIMES A DAY.

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THIS STUDY TAKES A LOOK AT WHETHER DIFFERENT
EXERCISE OR EVEN DIFFERENT LIGHTING INSIDE

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THE STATION COULD HELP THE CREWS ADAPT.

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SCIENTISTS ARE ALSO LOOKING DEEP INTO THE
EYES OF THE ASTRONAUTS.

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OVER THE LAST COUPLE OF YEARS, RESEARCHERS
HAVE NOTICED THAT SOME OF THE CREW ‘S EYES

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ARE AFFECTED BY BEING UP IN SPACE.

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THE EYE TENDS TO CHANGE SHAPE, WHICH CHANGES
VISION.

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SO THEY’RE NOW USING MULTIPLE WAYS TO STUDY
THE CREWS’ EYES AND FIGURE OUT WHAT’S

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GOING ON.

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THE HOPE IS THAT THESE CHANGES CAN BE BETTER
PREDICTED AND SOLVED, ESPECIALLY WHEN WE TALK

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ABOUT LONGER JOURNEYS TO AN ASTEROID OR MARS.

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DO YOU THINK YOU CAN TRAIN LIKE AN ASTRONAUT?

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MIKE HOPKINS IS GIVING YOU THE CHANCE.

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MIKE IS A BIG FAN OF PHYSICAL FITNESS, AND
DURING HIS TIME ABOARD THE STATION, HE’S

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BEEN SENDING DOWN WORKOUT TIPS AND OTHER FITNESS
INFO.

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IF YOU’D LIKE TO TAKE A LOOK OR JOIN IN,
JUST CHECK OUT WWW.FACEBOOK.COM/TRAINASTRONAUT.

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ELLIOTT DAVIS TWEETED US THIS QUESTION: WHAT
TIME ZONE DO THE ASTRONAUTS ON BOARD THE ISS

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OPERATE IN?

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GOOD QUESTION.

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SINCE MISSION CONTROL HOUSTON IS IN TEXAS
AND THE RUSSIAN FLIGHT CONTROL CENTER IS IN

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MOSCOW, WE SPLIT THE DIFFERENCE IN THE TIME
ZONES.

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SO THE CREW AND THE GROUND TEAMS ARE ALL ON
GREENWICH MEAN TIME, OR UNIVERSAL TIME.

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SO THE CREW ENDS UP WAKING UP AROUND MIDNIGHT
CENTRAL TIME AND GOING TO BED AROUND 3:30PM.