1 00:00:06,309 --> 00:00:04,150 houston you're looking at our delta h 2 00:00:09,270 --> 00:00:06,319 that's the primitive program alarm 3 00:00:10,950 --> 00:00:09,280 looking good to us over 4 00:00:17,990 --> 00:00:10,960 1202 5 00:00:19,990 --> 00:00:18,000 alarm clock control both auto definition 6 00:00:22,230 --> 00:00:20,000 command override off 7 00:00:23,189 --> 00:00:22,240 tranquility base here the eagle has 8 00:00:25,750 --> 00:00:23,199 landed 9 00:00:27,589 --> 00:00:25,760 roger twink tranquility we copy on the 10 00:00:29,429 --> 00:00:27,599 ground you got a bunch of guys about to 11 00:00:30,710 --> 00:00:29,439 turn blue we're breathing again thanks a 12 00:00:32,870 --> 00:00:30,720 lot 13 00:00:34,470 --> 00:00:32,880 hi i'm jonathan looser the core stage 14 00:00:36,310 --> 00:00:34,480 propulsion lead for the space launch 15 00:00:37,910 --> 00:00:36,320 system at marshall space flight center 16 00:00:39,510 --> 00:00:37,920 in huntsville alabama 17 00:00:41,510 --> 00:00:39,520 i studied mechanical engineering at the 18 00:00:43,430 --> 00:00:41,520 university of alabama in huntsville and 19 00:00:45,350 --> 00:00:43,440 while i was in school i became involved 20 00:00:46,630 --> 00:00:45,360 with the school's cooperative education 21 00:00:48,069 --> 00:00:46,640 program 22 00:00:49,190 --> 00:00:48,079 and started working at marshall space 23 00:00:50,630 --> 00:00:49,200 flight center while i was still in 24 00:00:52,069 --> 00:00:50,640 college and 25 00:00:53,750 --> 00:00:52,079 after two years in that program i 26 00:00:55,189 --> 00:00:53,760 graduated and was offered a full-time 27 00:00:56,229 --> 00:00:55,199 job at marshall and i've been here ever 28 00:00:57,910 --> 00:00:56,239 since 29 00:00:59,750 --> 00:00:57,920 nasa and texas instruments have teamed 30 00:01:02,389 --> 00:00:59,760 up to create a series of activities that 31 00:01:04,869 --> 00:01:02,399 integrate science technology engineering 32 00:01:06,469 --> 00:01:04,879 and mathematics in this first activity 33 00:01:08,390 --> 00:01:06,479 you will attempt to land the eagle at 34 00:01:10,230 --> 00:01:08,400 tranquility base on the moon without 35 00:01:12,149 --> 00:01:10,240 running out of fuel this was a real 36 00:01:14,469 --> 00:01:12,159 problem that astronauts neil armstrong 37 00:01:16,469 --> 00:01:14,479 and buzz aldrin know firsthand 38 00:01:18,149 --> 00:01:16,479 after that you will look at fuel tank 39 00:01:20,469 --> 00:01:18,159 shapes and how that affects the fueling 40 00:01:21,990 --> 00:01:20,479 process and finally you'll put together 41 00:01:24,710 --> 00:01:22,000 everything that you've learned and send 42 00:01:27,030 --> 00:01:24,720 sls out on its mission em-1 or 43 00:01:30,230 --> 00:01:27,040 exploration mission one all the way out 44 00:01:34,630 --> 00:01:32,870 four rs-25 rocket engines capable of 45 00:01:36,390 --> 00:01:34,640 producing over two million pounds of 46 00:01:38,069 --> 00:01:36,400 thrust will power the space launch 47 00:01:40,149 --> 00:01:38,079 system's core stage 48 00:01:42,389 --> 00:01:40,159 and it takes a lot of fuel to generate 49 00:01:44,630 --> 00:01:42,399 that much power and in this lesson we'll 50 00:01:46,310 --> 00:01:44,640 learn how we fill up the core state