1 00:00:06,619 --> 00:00:05,450 hello and welcome to NASA's Jet 2 00:00:09,770 --> 00:00:06,629 Propulsion Laboratory in Pasadena 3 00:00:11,629 --> 00:00:09,780 California I'm Jan Berkeley one of the 4 00:00:13,249 --> 00:00:11,639 sequence team lead engineers on Cassini 5 00:00:15,860 --> 00:00:13,259 here to share the latest news from 6 00:00:17,450 --> 00:00:15,870 saturn in our most exciting news 7 00:00:19,160 --> 00:00:17,460 instruments on the spacecraft that found 8 00:00:21,470 --> 00:00:19,170 evidence of seas and the high northern 9 00:00:22,820 --> 00:00:21,480 latitudes of Titan here's a movie that 10 00:00:25,009 --> 00:00:22,830 shows the area that it was seized 11 00:00:26,689 --> 00:00:25,019 hundreds of miles across and many 12 00:00:30,290 --> 00:00:26,699 smaller lakes that vary from several 13 00:00:33,290 --> 00:00:30,300 miles to tens of miles wide Cassini's 14 00:00:35,870 --> 00:00:33,300 last flyby of Titan was on March 10 2007 15 00:00:38,389 --> 00:00:35,880 at an altitude of 600 miles there were 16 00:00:40,130 --> 00:00:38,399 several objectives to this flyby higher 17 00:00:42,650 --> 00:00:40,140 resolution images of the area where the 18 00:00:44,240 --> 00:00:42,660 seas were found was successful this area 19 00:00:46,220 --> 00:00:44,250 is just north of the equator and west of 20 00:00:48,200 --> 00:00:46,230 the bright area known as Xanadu also 21 00:00:50,600 --> 00:00:48,210 seen by both radar and imaging 22 00:00:52,069 --> 00:00:50,610 instruments in previous flybys in 23 00:00:53,900 --> 00:00:52,079 addition Titan weather studies were 24 00:00:55,970 --> 00:00:53,910 conducted battling temperatures to 25 00:00:58,310 --> 00:00:55,980 determine seasonal changes Maya turn 26 00:01:00,200 --> 00:00:58,320 cloud motion and wind speeds scientists 27 00:01:02,569 --> 00:01:00,210 are still processing this data so stay 28 00:01:05,539 --> 00:01:02,579 tuned we will return to tighten on mar 29 00:01:07,730 --> 00:01:05,549 26th this time at an altitude of 620 30 00:01:09,410 --> 00:01:07,740 miles this time the flyby will include 31 00:01:11,600 --> 00:01:09,420 more temperature and global mapping and 32 00:01:14,210 --> 00:01:11,610 spectral imaging in the ultraviolet and 33 00:01:15,890 --> 00:01:14,220 infrared Regents the area of season legs 34 00:01:18,950 --> 00:01:15,900 will be mapped yet again but at a lower 35 00:01:20,810 --> 00:01:18,960 resolution the spacecraft will also pass 36 00:01:22,630 --> 00:01:20,820 behind Titan for approximately 35 37 00:01:24,770 --> 00:01:22,640 minutes this is called an occultation 38 00:01:26,390 --> 00:01:24,780 calamity data cannot be received from 39 00:01:28,429 --> 00:01:26,400 the spacecraft at that time what 40 00:01:30,440 --> 00:01:28,439 information can still be transmitted a 41 00:01:31,460 --> 00:01:30,450 unique experiment will take place where 42 00:01:33,890 --> 00:01:31,470 the spacecraft will be oriented 43 00:01:35,660 --> 00:01:33,900 precisely the send a signal to bounce 44 00:01:37,880 --> 00:01:35,670 off the atmosphere of Titan and be 45 00:01:39,469 --> 00:01:37,890 received at earth state of the signal 46 00:01:41,660 --> 00:01:39,479 tells us information about the surface 47 00:01:43,190 --> 00:01:41,670 region targeted this is the third time 48 00:01:46,550 --> 00:01:43,200 the experiment will be attempted by 49 00:01:47,810 --> 00:01:46,560 Cassini from Pasadena California this is 50 00:01:50,030 --> 00:01:47,820 Jan Berkeley with nasa's jet propulsion