1 00:00:00,000 --> 00:00:03,493 Fifteen years ago, a remarkable mission  2 00:00:03,493 --> 00:00:05,584 unfolded above the Earth. 3 00:00:05,584 --> 00:00:09,453 The Hubble  Space Telescope, humanity's eye on the universe,   4 00:00:09,453 --> 00:00:11,489 received an unprecedented upgrade 5 00:00:11,489 --> 00:00:14,760 during its fifth and final Servicing Mission. 6 00:00:14,760 --> 00:00:18,177 In May 2009, a brave team of astronauts 7 00:00:18,177 --> 00:00:22,149 embarked on a daring journey aboard Space Shuttle Atlantis. 8 00:00:22,149 --> 00:00:25,280 Their mission?  To breathe new life into Hubble,   9 00:00:25,280 --> 00:00:30,120 ensuring its legacy of discovery  could continue for years to come. 10 00:00:30,120 --> 00:00:33,367 Over the course of five intense  spacewalks, 11 00:00:33,367 --> 00:00:35,400 they replaced aging components, 12 00:00:35,400 --> 00:00:37,719 installed state-of-the-art instruments, 13 00:00:37,719 --> 00:00:40,640 and rejuvenated Hubble's capabilities. 14 00:00:40,640 --> 00:00:43,032 The impact was profound. 15 00:00:43,032 --> 00:00:45,205 Hubble's vision  became sharper, 16 00:00:45,205 --> 00:00:48,009 its reach extended deeper into the cosmos, 17 00:00:48,009 --> 00:00:51,880 and its scientific  output soared to brand new heights. 18 00:00:51,880 --> 00:00:55,436 Fifteen years later, we continue to celebrate  the remarkable 19 00:00:55,436 --> 00:00:57,960 success of Servicing Mission 4,  20 00:00:57,960 --> 00:01:00,334 a testament to human ingenuity, 21 00:01:00,334 --> 00:01:05,000 perseverance,  and the enduring spirit of exploration. 22 00:01:05,000 --> 00:01:15,008 "Follow us on social media @NASAHubble"