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HOUSTON STATION ON SPACE TO GROUND WELCOME TO SPACE TO GROUND, I AM KAYLA LAFRANCE. THIS WEEK THE CREW IS PREPARING FOR

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A HOLIDAY DELIVERY AND DREAMING OF SUGAR PLUMS. CARGO DRAGON IS IN THE FINAL PREPARATIONS FOR ITS

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TARGETED LAUNCH AT 5:06 A.M. EASTERN ON DECEMBER 21ST. THIS IS SPACEX’s 24TH CARGO MISSION.

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SET TO LAUNCH ON A FALCON 9 FROM LAUNCH COMPLEX 39A AT NASA’S KENNEDY SPACE CENTER

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IN FLORIDA. AFTER REACHING ORBIT, THE CARGO DRAGON WILL THEN DOCK WITH THE STATION THE FOLLOWING DAY AT 4:30 AM EASTERN.

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SPX-24 WILL DELIVER THOUSANDS OF POUNDS OF GOODS TO THE STATION, INCLUDING CREW

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SUPPLIES AND A VARIETY OF NEW SCIENTIFIC INVESTIGATIONS. SUCH AS 4 NEW CUBESATS,

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A NEW PROTEIN CRYSTAL GROWTH STUDY AIMED TO IMPROVE THE DELIVERY OF CANCER TREATMENT DRUGS,

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A HANDHELD BIOPRINTER THAT WILL TEST TECHNOLOGY THAT COULD ONE DAY BE USED TO PRINT TISSUE

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DIRECTLY ON WOUNDS TO ACCELERATE HEALING; AND SEVERAL EXPERIMENTS FROM UNIVERSITY STUDENTS

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AS PART OF THE STUDENT PAYLOAD OPPORTUNITY WITH CITIZEN SCIENCE OR (SPOCS) PROGRAM.

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BE SURE TO FOLLOW ALONG ON NASA TV, NASA.GOV, OR THE NASA APP AS WE CONTINUE TO FOLLOW THIS MISSION

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LEADING UP TO OUR FULL LIVE COVERAGE OF LAUNCH AND SUBSEQUENT DOCKING.

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MANY OF US DREAM OF WHAT IT WOULD BE LIKE TO LIVE IN SPACE. THOUGH VERY FEW OF US GET TO

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ACTUALLY DREAM IN SPACE. WHILE LIVING ON THE SPACE STATION, THE CREW WILL EXPERIENCE SUN RISE AND SUN

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SET 16 TIMES A DAY, THIS CAN CAUSE DISRUPTIONS TO THEIR CIRCADIAN RHYTHM AND ABILITY TO SLEEP.

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THE DREAMS EXPERIMENT AIMS TO STUDY THIS CHANGE IN THE ASTRONAUTS SLEEP PATTERNS

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AND TO EXAM HOW THEIR MINDS AND BODIES ADAPT TO SLEEPING IN MICROGRAVITY.

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ESA ASTRONAUT MATTHIAS MAUER, WILL BE THE NEXT CREWMEMBER TO PARTICIPATE IN THE DREAM EXPERIMENT.

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MAUER WILL BE WEARING A SLEEP HEADBAND FOR SEVERAL NIGHTS THAT FITTED WITH DRY ELECTRODES AND SENSOR.

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THE HEADBAND WILL OBSERVE HOW HE ADAPTS AND HOW HIS SLEEP PATTERNS CHANGES WHILE IN SPACE.

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THE IMPACT OF MICROGRAVITY ON SLEEP IS A KEY CHALLENGE FACING FUTURE LONG-DURATION MISSIONS TO

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THE MOON AND MARS. THE RESULTS OF DREAMS WILL HELP PLAN STRATEGIES TO HELP FUTURE SPACE EXPLORES.

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TODAY’S ASKNASA QUESTION COMES FROM GRACE RITTER ON TWITTER WHO ASKED HOW DO ASTRONAUTS KEEP CLEAN IN SPACE?

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THE CREW KEEP CLEAN IN SPACE THE SAME WAY WE DO HERE ON EARTH.

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THEY HAVE DAILY HYGIENE ACTIVITIES TO BRUSH THEIR TEETH, COMB THEIR HAIR,

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AND WASH THEIR HANDS AND FACE. THEY HAVE WEEKLY TASKS WHERE THEY BATHE AND WASH THEIR HAIR, AND

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THEY EVEN GIVE EACH OTHER HAIRCUTS. Thinking about a third career in haircutting.

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THE ASTRONAUTS WIPE THEIR BODIES CLEAN BY USING A WET TOWEL, AND WASH THEIR

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HAIR BY USING WATERLESS SHAMPOO. AFTER WASHING, THEY’LL USE DRY TOWELS TO DRY THEMSELVES OFF.

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THEY ALSO HAVE TO COMPLETE WEEKLY HOUSEKEEPING TASKS ON BOARD THE ISS

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WHERE THEY VACUUM ALL AIR VENTS AND FILTERS, AND SMOKE DETECTORS. THEN THEY DISINFECT

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AND WIPE DOWN SURFACES THAT ARE FREQUENTLY TOUCHED THROUGHOUT THE DAY BY THE CREW.

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AREAS LIKE HANDHOLDS, THE GALLEY AND ITS TABLE.. TYPICALLY, THERE ARE 6 HOURS A

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WEEK SPENT ON KEEPING THEIR STATION HOME AND CLEAN AND SAFE ENVIRONMENT.

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AND THAT’S SPACE TO GROUND FOR THIS WEEK. THANKS FOR WATCHING. WE’LL SEE YOU NEXT WEEK!