1 00:00:04,870 --> 00:00:03,110 houston station on space to ground 2 00:00:06,470 --> 00:00:04,880 welcome to space to ground your weekly 3 00:00:08,150 --> 00:00:06,480 look at what's happening on board the 4 00:00:10,390 --> 00:00:08,160 international space station i'm dan 5 00:00:12,709 --> 00:00:10,400 hewitt the station got a makeover this 6 00:00:14,950 --> 00:00:12,719 week with some robotic rearranging 7 00:00:16,870 --> 00:00:14,960 flight controllers in canada and in 8 00:00:19,269 --> 00:00:16,880 mission control houston relocated the 9 00:00:22,150 --> 00:00:19,279 permanent multi-purpose module which is 10 00:00:24,390 --> 00:00:22,160 used to store extra cargo on the station 11 00:00:26,710 --> 00:00:24,400 it was moved from the unity node to the 12 00:00:29,509 --> 00:00:26,720 tranquility node to free up a docking 13 00:00:31,589 --> 00:00:29,519 port on unity this activity was the 14 00:00:33,350 --> 00:00:31,599 latest step in preparing the station for 15 00:00:35,670 --> 00:00:33,360 the installation of two new docking 16 00:00:37,750 --> 00:00:35,680 adapters for use by future u.s 17 00:00:39,590 --> 00:00:37,760 commercial crew vehicles 18 00:00:42,069 --> 00:00:39,600 astronauts are called on to perform a 19 00:00:44,229 --> 00:00:42,079 lot of precise tasks and one study is 20 00:00:45,190 --> 00:00:44,239 making sure microgravity doesn't get in 21 00:00:47,190 --> 00:00:45,200 the way 22 00:00:49,350 --> 00:00:47,200 the fine motor skills study is looking 23 00:00:51,350 --> 00:00:49,360 at how spending a long time in space 24 00:00:53,910 --> 00:00:51,360 affects an astronaut's ability to 25 00:00:56,630 --> 00:00:53,920 interact with experiments computers and 26 00:00:58,229 --> 00:00:56,640 robotics controls all tasks that require 27 00:01:00,470 --> 00:00:58,239 a crew member to be good with their 28 00:01:02,229 --> 00:01:00,480 hands the tests developed for this study 29 00:01:04,310 --> 00:01:02,239 use a tablet computer and knowing 30 00:01:06,310 --> 00:01:04,320 microgravity's impacts will help us 31 00:01:08,630 --> 00:01:06,320 develop necessary countermeasures for 32 00:01:10,230 --> 00:01:08,640 space travelers these tests could also 33 00:01:13,109 --> 00:01:10,240 be used by patients undergoing 34 00:01:15,429 --> 00:01:13,119 rehabilitation down here on earth 35 00:01:18,310 --> 00:01:15,439 this week edie asked where the center of 36 00:01:20,070 --> 00:01:18,320 mass is on the iss seems simple but our 37 00:01:22,630 --> 00:01:20,080 flight controllers will tell you that's 38 00:01:24,550 --> 00:01:22,640 actually a really important question 39 00:01:26,630 --> 00:01:24,560 the space station's center of mass is 40 00:01:29,429 --> 00:01:26,640 located right around an area known as 41 00:01:31,350 --> 00:01:29,439 the s-zero truss which is a section of 42 00:01:34,069 --> 00:01:31,360 the large backbone structure of the 43 00:01:36,550 --> 00:01:34,079 complex the location does move around 44 00:01:38,390 --> 00:01:36,560 slightly as vehicles come and go or with 45 00:01:41,109 --> 00:01:38,400 activities like this week's pmm 46 00:01:43,830 --> 00:01:41,119 relocation tracking the center of mass 47 00:01:46,149 --> 00:01:43,840 is absolutely essential for planning and 48 00:01:49,030 --> 00:01:46,159 executing activities like attitude 49 00:01:50,550 --> 00:01:49,040 control robotic operations even 50 00:01:52,389 --> 00:01:50,560 spacewalks 51 00:01:53,990 --> 00:01:52,399 make sure to keep sending your questions