1 00:00:00,100 --> 00:00:00,120 How does light from the cosmos reach Webb's instruments? 2 00:00:00,140 --> 00:00:04,180 How does light from the cosmos reach Webb's instruments? 3 00:00:04,200 --> 00:00:08,190 How does light from the cosmos reach Webb's instruments? 4 00:00:08,210 --> 00:00:12,260 the secondary mirror 5 00:00:12,280 --> 00:00:16,340 out of the dozens of deployments, this if the one of the last to complete. 6 00:00:16,360 --> 00:00:20,410 struts unfold to place the secondary mirror almost 24 feet from the Primary Mirror. 7 00:00:20,430 --> 00:00:24,470 Struts unfold to place the secondary mirror almost 24 feet from the Primary Mirror. 8 00:00:24,490 --> 00:00:24,520 Engineers offload the weight of the secondary mirror and struts so they deploy as if it was weightless. 9 00:00:24,540 --> 00:00:28,610 Engineers offload the weight of the secondary mirror and struts so they deploy as if it was weightless. 10 00:00:28,630 --> 00:00:32,660 Engineers offload the weight of the secondary mirror and struts so they deploy as if it was weightless. 11 00:00:32,680 --> 00:00:36,770 The spacecraft bus, while not yet physically attached, commands the move electronically. 12 00:00:36,790 --> 00:00:40,900 The spacecraft bus, while not yet physically attached, commands the move electronically. 13 00:00:40,920 --> 00:00:45,080 The next milestone: Joining the Telescope Element and Spacecraft Element 14 00:00:45,100 --> 00:00:49,270 together into the full observatory. 15 00:00:49,290 --> 00:00:56,136 end tag