1 00:00:00,000 --> 00:00:04,000 The James Webb Space Telescope is impressive. 2 00:00:04,000 --> 00:00:08,000 It's three stories tall, as wide as a tennis court. 3 00:00:08,000 --> 00:00:12,000 It's got a 21 foot primary mirror 4 00:00:12,000 --> 00:00:16,000 and then it's got these 4 instruments that are just incredibly powerful. 5 00:00:16,000 --> 00:00:20,000 It's the largest, most technologically challenging space telescope ever created. 6 00:00:20,000 --> 00:00:24,000 It's one hundred times more powerful than the Hubble Space Telescope 7 00:00:24,000 --> 00:00:28,000 but at half the weight. 8 00:00:28,000 --> 00:00:32,000 It's designed to look back in time even further than Hubble 9 00:00:32,000 --> 00:00:36,000 to see the very first galaxies to form after the Big Bang. 10 00:00:36,000 --> 00:00:40,000 Building Webb is truly a feat of innovative engineering 11 00:00:40,000 --> 00:00:44,000 each material must survive the turmoil of a launch and the 12 00:00:44,000 --> 00:00:48,000 varying temperatures of space - and it all starts with 13 00:00:48,000 --> 00:00:52,000 the elements. 14 00:00:52,000 --> 00:00:56,000 music 15 00:00:56,000 --> 00:01:00,000 music 16 00:01:00,000 --> 00:01:04,000 music 17 00:01:04,000 --> 00:01:08,000 music 18 00:01:08,000 --> 00:01:12,981 This is the James Webb Space Telescope!