1 00:00:06,789 --> 00:00:05,030 nasa's perseverance rover has been 2 00:00:08,390 --> 00:00:06,799 working on its science mission 3 00:00:11,430 --> 00:00:08,400 with the help of the super cam 4 00:00:14,549 --> 00:00:11,440 instrument a rock vaporizing laser and 5 00:00:16,870 --> 00:00:14,559 camera that examines rocks and soils 6 00:00:19,029 --> 00:00:16,880 to learn more about super cam we are 7 00:00:21,429 --> 00:00:19,039 joined by hamani kalucha 8 00:00:23,990 --> 00:00:21,439 she's the science payload uplink lead 9 00:00:25,910 --> 00:00:24,000 for super cam operations 10 00:00:27,990 --> 00:00:25,920 so super cam looks out of the big 11 00:00:28,870 --> 00:00:28,000 circular window in the white box on top 12 00:00:31,429 --> 00:00:28,880 of the mast 13 00:00:32,069 --> 00:00:31,439 and it uses spectroscopy which is just 14 00:00:34,229 --> 00:00:32,079 when light 15 00:00:36,549 --> 00:00:34,239 excites atoms in a rock and we get 16 00:00:38,310 --> 00:00:36,559 unique shifted wavelengths back to us 17 00:00:40,470 --> 00:00:38,320 and so we use a combination of lasers 18 00:00:41,990 --> 00:00:40,480 and infrared vision and that lets us do 19 00:00:43,030 --> 00:00:42,000 science even further out than the 20 00:00:45,670 --> 00:00:43,040 robotic arm 21 00:00:46,069 --> 00:00:45,680 the lasers reach 7 meters or 23 feet 22 00:00:48,470 --> 00:00:46,079 away 23 00:00:50,310 --> 00:00:48,480 and the infrared much much further and 24 00:00:51,830 --> 00:00:50,320 that's not even all we have a tiny high 25 00:00:54,150 --> 00:00:51,840 resolution camera 26 00:00:55,670 --> 00:00:54,160 and a microphone to hear mars and that's 27 00:00:57,350 --> 00:00:55,680 how we heard the helicopter 28 00:00:59,110 --> 00:00:57,360 and can you talk about some of the 29 00:01:01,830 --> 00:00:59,120 images supercam has taken 30 00:01:04,229 --> 00:01:01,840 and why they are important to scientists 31 00:01:06,789 --> 00:01:04,239 absolutely so we started by taking out 32 00:01:08,149 --> 00:01:06,799 images and spectra near the rover and as 33 00:01:10,230 --> 00:01:08,159 you can see in this image 34 00:01:12,149 --> 00:01:10,240 the laser actually blows away the dust 35 00:01:14,390 --> 00:01:12,159 and makes these small pits in the rocks 36 00:01:16,149 --> 00:01:14,400 and that lets us analyze material that's 37 00:01:18,390 --> 00:01:16,159 just below the surface of the rock 38 00:01:21,109 --> 00:01:18,400 which is what we care about and then we 39 00:01:22,630 --> 00:01:21,119 can record the sounds of the laser 40 00:01:23,990 --> 00:01:22,640 with our microphone and it tells us 41 00:01:24,789 --> 00:01:24,000 something about the hardness of the 42 00:01:27,590 --> 00:01:24,799 rocks 43 00:01:29,350 --> 00:01:27,600 and then starting sol 26 we were able to 44 00:01:31,109 --> 00:01:29,360 take pictures of these long distance 45 00:01:32,950 --> 00:01:31,119 targets like kodiak 46 00:01:34,950 --> 00:01:32,960 and that really helps the rover team 47 00:01:37,030 --> 00:01:34,960 understand where to drive next for 48 00:01:37,990 --> 00:01:37,040 more close-up analysis and these red 49 00:01:40,069 --> 00:01:38,000 circles you see 50 00:01:41,830 --> 00:01:40,079 is actually the infrared um telling us 51 00:01:43,670 --> 00:01:41,840 about the mineral content of these 52 00:01:46,389 --> 00:01:43,680 faraway outcrops 53 00:01:48,710 --> 00:01:46,399 so that's how super cam figures out more 54 00:01:50,469 --> 00:01:48,720 about the geological history of mars 55 00:01:51,749 --> 00:01:50,479 and we're so excited to see what the 56 00:01:53,429 --> 00:01:51,759 laser can do next 57 00:01:55,990 --> 00:01:53,439 thank you so much for joining us today 58 00:01:59,510 --> 00:01:56,000 hamani to get the latest updates 59 00:02:00,709 --> 00:01:59,520 follow at nasa jpl and at nasa persevere 60 00:02:04,310 --> 00:02:00,719 on social media 61 00:02:06,709 --> 00:02:04,320 and on the mission website mars.nasa.gov