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"HOUSTON, STATION ON SPACE TO GROUND."

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WELCOME TO SPACE TO GROUND, I’M SANDRA JONES.

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THIS WEEK SPACE STATION CREWMEMBERS COMPLETED A SPACEWALK AND PREPARED FOR ONE MORE.

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CLOSER TO HOME, WE’RE ONE STEP CLOSER TO
LAUNCHING ASTRONAUTS FROM FLORIDA ONCE AGAIN.

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ON SUNDAY, SPACEX COMPLETED A SUCCESSFUL TEST DEMONSTRATING THE CAPABILITIY OF THE CREW

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DRAGON VEHICLE TO CARRY ASTRONAUTS TO SAFETY
IN THE UNLIKELY EVENT OF AN EMERGENCY DURING

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ASCENT.

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FOLLOWING THE TEST, THE SPACECRAFT SPLASHED
DOWN OFF THE COAST OF CAPE CANAVERAL, AND

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TEAMS CONDUCTED RECOVERY OPERATION SIMULATIONS IN PREPARATION FOR A CREWED FLIGHT TEST LATER

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THIS YEAR.

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ON MONDAY, NASA ASTRONAUTS CHRISTINA KOCH
AND JESSICA MEIR CONDUCTED A SPACEWALK TO

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REPLACE NICKEL-HYDROGEN BATTERIES WITH MORE
POWERFUL LITHIUM-ION BATTERIES.

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THIS SPACEWALK ROUNDS OUT THE SERIES OF 4
TO REPLACE AGING BATTERIES ON TWO OF THE POWER

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CHANNELS ON THE STATION’S FAR PORT TRUSS.THE
SPACEWALK LASTED NEARLY 7 HOURS AND WAS THE

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3RD SPACEWALK FOR MEIR AND THE 6TH FOR KOCH
WHO CONTINUES TO MAKE HISTORY WITH EACH PASSING

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DAY AS THE RECORD HOLDER FOR LONGEST SPACEFLIGHT BY A WOMAN.

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WHEN SHE RETURNS TO EARTH ON FEBRUARY 6TH
SHE WILL HAVE SPENT A TOTAL OF 328 DAYS ABOARD

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THE ORBITING LABORATORY.

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ONBOARD STATION, ASTRONAUTS WERE BUSY CONDUCTING THE COLD ATOM LABORATORY EXPERIMENT.

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THIS INVESTIGATION PRODUCES CLOUDS OF ATOMS
THAT ARE CHILLED TO ABOUT ONE TEN BILLIONTH

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OF A DEGREE ABOVE ABSOLUTE ZERO—EVEN COLDER
THAN THE AVERAGE TEMPERATURE OF DEEP SPACE.

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AT THESE TEMPERATURES, ATOMS HAVE ALMOST NO
MOTION, ALLOWING SCIENTISTS TO STUDY FUNDAMENTAL

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BEHAVIORS AND QUANTUM CHARACTERISTICS FOR
LONGER PERIODS OF TIME.

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THIS WEEK’S QUESTION COMES FROM CHRISTINE
WHO WANTS TO KNOW IF A SPACEWALK TO FINISH

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WORK ON THE ALPHA MAGNETIC SPECTROMETER HAS BEEN SCHEDULED?

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IT SURE HAS, CHRISTINE!

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ON SATURDAY NASA ASTRONAUT ANDREW MORGAN AND EUROPEAN SPACE AGENCY ASTRONAUT LUCA PARMITANO

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ARE SLATED TO COMPLETE THE FINAL SPACEWALK
TO REPAIR THE ALPHA MAGNETIC SPECTROMETER,

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INSURING THE INSTRUMENT CAN CONTINUE TO HUNT
FOR PARTICLES LIKE ANTIMATTER AND DARK MATTER

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AND GIVE US BETTER INSIGHT INTO THE ORIGINS
OF THE UNIVERSE FOR YEARS TO COME.