1 00:00:00,367 --> 00:00:04,838 OSIRIS-REx is NASA's mission to explore asteroid Bennu. 2 00:00:04,838 --> 00:00:09,376 Its goal is to collect a sample of Bennu and return it to Earth. 3 00:00:09,376 --> 00:00:13,046 [ music ] 4 00:00:13,046 --> 00:00:16,016 To get to Bennu, OSIRIS-REx must first match the asteroid's 5 00:00:16,016 --> 00:00:17,851 orbital tilt. 6 00:00:19,186 --> 00:00:21,855 In September 2017, it will approach Earth 7 00:00:21,855 --> 00:00:23,957 for a gravity assist, 8 00:00:23,957 --> 00:00:27,928 bringing the spacecraft within 11,000 miles of home. 9 00:00:27,928 --> 00:00:39,306 [ music ] 10 00:00:39,306 --> 00:00:43,744 Following the flyby, OSIRIS-REx will look back at Earth. 11 00:00:43,744 --> 00:00:46,947 [ music ] 12 00:00:46,947 --> 00:00:50,784 It will take images and spectra of our world, 13 00:00:50,784 --> 00:00:53,553 calibrating its instruments so that they are ready 14 00:00:53,553 --> 00:00:55,322 to study Bennu. 15 00:00:55,322 --> 00:01:04,364 [ music ] 16 00:01:04,364 --> 00:01:07,501 The gravity assist will change OSIRIS-REx's orbital tilt 17 00:01:07,501 --> 00:01:08,835 by six degrees, 18 00:01:09,336 --> 00:01:13,807 sending it on a path to catch asteroid Bennu in 2018. 19 00:01:13,807 --> 00:01:17,010 [ music ] 20 00:01:17,010 --> 00:01:26,820 [ satellite beeping ] 21 00:01:28,121 --> 00:01:34,061 [ music ]