1 00:00:04,789 --> 00:00:01,910 did you know that you can see penguin 2 00:00:07,110 --> 00:00:04,799 poop from space that's right pink piles 3 00:00:10,150 --> 00:00:07,120 of poop from those cute flightless birds 4 00:00:11,430 --> 00:00:10,160 there it is right there 5 00:00:13,910 --> 00:00:11,440 i'll have a quill burger with a side of 6 00:00:15,589 --> 00:00:13,920 squid fries please 7 00:00:17,830 --> 00:00:15,599 astronauts get to see the earth from the 8 00:00:19,349 --> 00:00:17,840 international space station every day 9 00:00:20,630 --> 00:00:19,359 hello there 10 00:00:23,189 --> 00:00:20,640 you know what else gets to see earth 11 00:00:25,109 --> 00:00:23,199 from space every day our amazing fleet 12 00:00:27,269 --> 00:00:25,119 of satellites 13 00:00:29,509 --> 00:00:27,279 hi my name is jessica mersdorf and i'm a 14 00:00:31,830 --> 00:00:29,519 nasa science writer i write about earth 15 00:00:33,190 --> 00:00:31,840 science and satellite missions including 16 00:00:37,590 --> 00:00:33,200 landsat 17 00:00:39,670 --> 00:00:37,600 earth for almost 50 years 18 00:00:41,590 --> 00:00:39,680 not like pictures that your phone takes 19 00:00:44,630 --> 00:00:41,600 these are technically images created 20 00:00:46,709 --> 00:00:44,640 from encoded bits of data 21 00:00:49,110 --> 00:00:46,719 from space we can see changes to the 22 00:00:51,270 --> 00:00:49,120 amazon rainforest growing cities like 23 00:00:53,670 --> 00:00:51,280 las vegas the shifting path of the 24 00:00:56,229 --> 00:00:53,680 mighty mississippi river and even 25 00:00:58,549 --> 00:00:56,239 penguin poop our planet is changing all 26 00:01:00,709 --> 00:00:58,559 the time from our massive glaciers to 27 00:01:03,110 --> 00:01:00,719 your own neighborhood 28 00:01:06,070 --> 00:01:03,120 so if you had the chance what would you 29 00:01:09,030 --> 00:01:06,080 like to see with landsat 30 00:01:10,830 --> 00:01:09,040 hi nasa i would like to 31 00:01:15,510 --> 00:01:10,840 ask you a 32 00:01:16,789 --> 00:01:15,520 question what is under the surface of a 33 00:01:19,190 --> 00:01:16,799 volcano 34 00:01:20,950 --> 00:01:19,200 that's a great question lots of times 35 00:01:23,429 --> 00:01:20,960 there is a chamber of lava under the 36 00:01:26,070 --> 00:01:23,439 surface of a volcano here's a picture 37 00:01:28,710 --> 00:01:26,080 sorry image landsat took of kilauea in 38 00:01:30,789 --> 00:01:28,720 hawaii as it's erupting with our special 39 00:01:32,950 --> 00:01:30,799 technology on landsat we can see the 40 00:01:34,550 --> 00:01:32,960 heat coming out of the volcano 41 00:01:37,190 --> 00:01:34,560 here's an image of mount st helen's 42 00:01:39,190 --> 00:01:37,200 landsat took in 1979 43 00:01:41,270 --> 00:01:39,200 and here's the same volcano right after 44 00:01:43,190 --> 00:01:41,280 it erupted in 1980 45 00:01:45,830 --> 00:01:43,200 look how the blast from the explosion 46 00:01:48,069 --> 00:01:45,840 knocked down the surrounding trees 47 00:01:49,830 --> 00:01:48,079 amazing right 48 00:01:51,830 --> 00:01:49,840 now it's your turn to tell us where you 49 00:01:53,350 --> 00:01:51,840 would like to explore what other changes 50 00:01:54,469 --> 00:01:53,360 do you want to see as they happen on 51 00:01:56,230 --> 00:01:54,479 planet earth 52 00:01:58,149 --> 00:01:56,240 let us know and you could get your 53 00:02:00,149 --> 00:01:58,159 question answered by one of our super 54 00:02:01,190 --> 00:02:00,159 smart scientists