1 00:00:11,350 --> 00:00:08,950 this is our home in the universe 2 00:00:13,669 --> 00:00:11,360 and these are satellites that keep an 3 00:00:15,430 --> 00:00:13,679 eye on our planet right now 4 00:00:17,990 --> 00:00:15,440 so why launch another earth observing 5 00:00:19,990 --> 00:00:18,000 satellite well spacecraft instruments 6 00:00:22,710 --> 00:00:20,000 just like anything else grow old they 7 00:00:24,390 --> 00:00:22,720 decay and they break not only do we need 8 00:00:26,230 --> 00:00:24,400 to replace the old instruments but we 9 00:00:28,390 --> 00:00:26,240 also need to improve what's out there in 10 00:00:30,150 --> 00:00:28,400 order to get more accurate observations 11 00:00:33,030 --> 00:00:30,160 that's why nasa and noaa are working 12 00:00:36,229 --> 00:00:33,040 together to build launch and operate a 13 00:00:37,830 --> 00:00:36,239 new polar orbiting satellite called npp 14 00:00:39,510 --> 00:00:37,840 this new satellite will collect critical 15 00:00:41,670 --> 00:00:39,520 measurements about our planet's 16 00:00:43,350 --> 00:00:41,680 atmosphere oceans and land surfaces and 17 00:00:45,910 --> 00:00:43,360 to understand how our climate is 18 00:00:48,150 --> 00:00:45,920 changing over long periods of time we 19 00:00:51,430 --> 00:00:48,160 need continuous observations of features 20 00:00:53,430 --> 00:00:51,440 like sea ice clouds and force what's 21 00:00:55,990 --> 00:00:53,440 really important is that npp continue 22 00:00:57,830 --> 00:00:56,000 adding to its two dozen plus key data 23 00:01:00,069 --> 00:00:57,840 records started by previous earth 24 00:01:01,750 --> 00:01:00,079 observing satellites these records are 25 00:01:04,149 --> 00:01:01,760 critical for understanding the health of 26 00:01:06,310 --> 00:01:04,159 our planet now as well as how things 27 00:01:08,710 --> 00:01:06,320 might change in the future 28 00:01:10,390 --> 00:01:08,720 and mpp will test five instruments in 29 00:01:13,510 --> 00:01:10,400 preparation for the new generation of 30 00:01:15,749 --> 00:01:13,520 weather satellites known as jpss 31 00:01:17,270 --> 00:01:15,759 the largest and most complex instrument 32 00:01:19,990 --> 00:01:17,280 is an imager that will monitor broad 33 00:01:21,590 --> 00:01:20,000 swaths of land oceans and air two other 34 00:01:23,270 --> 00:01:21,600 instruments will work together aid in 35 00:01:25,350 --> 00:01:23,280 weather forecasting by focusing on 36 00:01:27,590 --> 00:01:25,360 atmospheric temperatures and moisture 37 00:01:29,109 --> 00:01:27,600 profiles another instrument will monitor 38 00:01:31,190 --> 00:01:29,119 changes in the ozone layer which 39 00:01:32,230 --> 00:01:31,200 protects earth from harmful ultraviolet 40 00:01:34,469 --> 00:01:32,240 radiation 41 00:01:36,310 --> 00:01:34,479 mpp will also have an instrument that 42 00:01:38,710 --> 00:01:36,320 will focus on energy reflecting back 43 00:01:39,830 --> 00:01:38,720 from the clouds and the surface the data 44 00:01:42,069 --> 00:01:39,840 from this instrument will help 45 00:01:43,350 --> 00:01:42,079 understand the changes in climate over 46 00:01:45,670 --> 00:01:43,360 time 47 00:01:48,310 --> 00:01:45,680 that is a broad suite of observations 48 00:01:50,550 --> 00:01:48,320 and because oceans land atmosphere and 49 00:01:52,469 --> 00:01:50,560 living organisms are all connected if 50 00:01:54,469 --> 00:01:52,479 one changes it would affect the other 51 00:01:56,469 --> 00:01:54,479 elements in the earth system 52 00:01:58,469 --> 00:01:56,479 exactly and by making these individual 53 00:02:00,389 --> 00:01:58,479 measurements we're one step closer to 54 00:02:02,789 --> 00:02:00,399 understanding the big picture 55 00:02:05,190 --> 00:02:02,799 let's be clear that npp can't do it all 56 00:02:07,910 --> 00:02:05,200 npp is more focused on the here and now 57 00:02:09,990 --> 00:02:07,920 while users like nasa noaa and others 58 00:02:11,750 --> 00:02:10,000 will use complex computer models to 59 00:02:13,589 --> 00:02:11,760 predict tomorrow's weather over the 60 00:02:16,390 --> 00:02:13,599 course of climate change 61 00:02:18,949 --> 00:02:16,400 so npp has two specific goals one is 62 00:02:20,470 --> 00:02:18,959 deliver data for weather forecasting the 63 00:02:22,550 --> 00:02:20,480 other is to add new and better 64 00:02:24,630 --> 00:02:22,560 measurements to the decades of existing 65 00:02:26,309 --> 00:02:24,640 datasets which makes mpp the nation's 66 00:02:27,910 --> 00:02:26,319 first attempt to combine weather 67 00:02:29,750 --> 00:02:27,920 monitoring and climate observing on the 68 00:02:31,750 --> 00:02:29,760 same platform helping scientists