1 00:00:02,706 --> 00:00:04,656 "HOUSTON, STATION ON SPACE TO GROUND." 2 00:00:05,216 --> 00:00:07,586 WELCOME TO SPACE TO GROUND, I'M NATALIE GOGINS. 3 00:00:07,716 --> 00:00:11,796 THIS WEEK ON STATION, THE CREW GOT FIRED UP FOR SCIENCE. 4 00:00:12,176 --> 00:00:15,696 EXPEDITION 57 COMMANDER ALEXANDER GERST PERFORMED SOME 5 00:00:15,696 --> 00:00:17,406 NEEDED MAINTENANCE ON THE ACME INSERT 6 00:00:17,456 --> 00:00:19,076 IN THE CIR COMBUSTION CHAMBER. 7 00:00:19,686 --> 00:00:21,746 CIR, OR COMBUSTION INTEGRATED RACK, 8 00:00:21,946 --> 00:00:24,526 ENABLES SAFE COMBUSTION RESEARCH IN MICROGRAVITY. 9 00:00:24,966 --> 00:00:27,556 ITS "PLUG-AND-PLAY" APPROACH SUPPORTS A WIDE VARIETY 10 00:00:27,556 --> 00:00:29,726 OF STUDIES ON DROPLET, SOLID FUEL, 11 00:00:29,846 --> 00:00:31,346 AND GAEOUS FUEL COMBUSTION. 12 00:00:31,496 --> 00:00:35,356 THE ACME, ADVANCED COMBUSTION VIA MICROGRAVITY EXPERIMENTS 13 00:00:35,356 --> 00:00:38,626 PROJECT, INVESTIGATES 5 DIFFERENT STUDIES WITH THE GOALS 14 00:00:38,626 --> 00:00:41,976 OF IMPROVING FUEL EFFICIENCY, REDUCING POLLUTION BYPRODUCTS 15 00:00:41,976 --> 00:00:44,756 FROM COMBUSTION, AND PREVENTING SPACECRAFT FIRES 16 00:00:44,846 --> 00:00:47,086 BY BETTER UNDERSTANDING MATERIAL FLAMMIBILITY. 17 00:00:47,526 --> 00:00:49,336 AN EXTERNAL EXPERIMENT 18 00:00:49,336 --> 00:00:52,036 ON STATION IS PROVIDING NEW INSIGHTS TO PULSARS. 19 00:00:53,106 --> 00:00:56,676 THE NEUTRON STAR INTERIOR COMPOSITION EXPLORER, OR NICER, 20 00:00:57,076 --> 00:00:59,796 PROVIDES HIGH-PRECISION MEASUREMENTS OF NEUTRON STARS, 21 00:00:59,996 --> 00:01:01,126 ALSO KNOWN AS PULSARS. 22 00:01:01,606 --> 00:01:04,396 PULSARS ARE THE INCREDIBLY DENSE, CRUSHED CORES 23 00:01:04,446 --> 00:01:06,036 THAT REMAIN AFTER A SUPERNOVA. 24 00:01:06,706 --> 00:01:09,516 BECAUSE PULSARS SHINE MOST BRIGHTLY IN NARROW BEAMS 25 00:01:09,546 --> 00:01:12,386 THAT SWEEP THE SKY AS THEY ROTATE, THEY APPEAR TO PULSE 26 00:01:12,516 --> 00:01:13,636 LIKE A LIGHTHOUSE BEACON. 27 00:01:14,016 --> 00:01:16,786 THIS KNOWLEDGE COULD REVOLUTIONIZE SPACE NAVIGATION 28 00:01:16,876 --> 00:01:18,606 BY USING PULSARS AS BEACONS 29 00:01:18,716 --> 00:01:20,736 TO GUIDE OUR FUTURE EXPLORATION OF SPACE. 30 00:01:21,986 --> 00:01:25,206 THE FIRST ASTRONAUTS SLATED TO FLY ON NEW SPACECRAFT 31 00:01:25,206 --> 00:01:27,696 FROM BOEING AND SPACEX WERE JOINED BY A PAIR 32 00:01:27,696 --> 00:01:30,166 OF FUTURE SPACE STATION CREW MEMBERS FROM JAPAN 33 00:01:30,616 --> 00:01:33,556 FOR A MARATHON TASTE TEST IN NASA's FOOD LAB. 34 00:01:33,646 --> 00:01:36,066 ALL CREW MEMBERS BOUND FOR THE STATION GET A CHANCE 35 00:01:36,106 --> 00:01:37,636 TO SAMPLE THE COSMIC MENU 36 00:01:37,706 --> 00:01:40,396 THAT WILL SUSTAIN THEM WHILE THEY SPEND TIME IN MICROGRAVITY. 37 00:01:41,006 --> 00:01:42,126 TO SEE THE LATEST NEWS 38 00:01:42,126 --> 00:01:44,536 AS WE MARCH TOWARDS ONCE AGAIN LAUNCHING ASTRONAUTS 39 00:01:44,616 --> 00:01:48,096 FROM AMERICA, VISIT NASA.GOV/COMMERICALCREW. 40 00:01:49,196 --> 00:01:51,316 OUR TWITTER QUESTION COMES FROM SHARKBAIT. 41 00:01:51,766 --> 00:01:53,686 THEY WANT TO KNOW: WHAT IS THE BEST TIME 42 00:01:53,686 --> 00:01:56,446 TO ATTEMPT HAM RADIO CONTACT WITH CREW ABOARD THE ISS? 43 00:01:56,446 --> 00:01:59,366 HAM RADIO HAS BEEN A PART 44 00:01:59,366 --> 00:02:01,946 OF HUMAN SPACE EXPLORATION SINCE 1983. 45 00:02:02,576 --> 00:02:04,696 CREWMEMBERS HAVE THE OPTION OF MAKING CALLS 46 00:02:04,696 --> 00:02:06,666 WITH HAM RADIO AMATEURS ON THEIR PERSONAL TIME. 47 00:02:07,346 --> 00:02:09,326 YOUR BEST CHANCE IS LIKELY ON THE WEEKENDS 48 00:02:09,426 --> 00:02:12,426 BETWEEN 06:00 AND 21:30 GMT. 49 00:02:13,026 --> 00:02:14,946 ADDITIONALLY, THE AMATEUR RADIO 50 00:02:14,946 --> 00:02:17,686 ON THE INTERNATIONAL SPACE STATION PROGRAM, OR ARISS, 51 00:02:18,186 --> 00:02:21,236 CONNECTS STUDENTS IN SCHOOLS OR PUBLIC FORUMS LIKE MUSEUMS 52 00:02:21,486 --> 00:02:22,696 WITH CREW MEMBERS ONBOARD. 53 00:02:23,306 --> 00:02:26,036 APPLICATIONS ARE OPEN NOW UNTIL NOV 30TH 54 00:02:26,106 --> 00:02:30,326 FOR 2019 SESSIONS AT WWW.ARISS.ORG.