WEBVTT FILE 1 00:00:01.140 --> 00:00:06.140 The James Webb Space Telescope is now an assembled observatory. 2 00:00:06.140 --> 00:00:11.140 3 00:00:11.140 --> 00:00:16.140 NASA and Northrop Grumman engineers successfully connected the observatory’s two halves. 4 00:00:16.140 --> 00:00:21.140 5 00:00:21.140 --> 00:00:26.140 Webb is the most powerful and complex space telescope NASA has ever built. 6 00:00:26.140 --> 00:00:31.140 Webb will explore the cosmos using infrared light from planets and moons within our solar system to the earliest and most distant galaxies. 7 00:00:31.140 --> 00:00:36.140 8 00:00:36.140 --> 00:00:41.140 9 00:00:41.140 --> 00:00:46.140 10 00:00:46.140 --> 00:00:51.000 Next Up: Deploying the five-layer sunshield designed to keep Webb’s mirror and scientific instruments super cold. 11 00:00:51.000 --> 00:01:00.000 Explore. Solar system and beyond. NASA 12 00:01:00.000 --> 00:01:00.373