It focuses on the journey and 50 expected deployments the James Webb Space Telescope will undergo after its expected launch on Dec.
When you're a million miles from the Earth, you can't send someone to fix it," Webb program director Greg Robinson says in the video. .Related: Building the James Webb Space Telescope (gallery).—NASA's James Webb Space Telescope: Hubble's cosmic successor.
—House spending bill fires warning shot at James Webb Space Telescope.
—NASA's James Webb Space Telescope looks squeaky clean at spaceport for December launch (photos).
And Webb's own thrusters must work properly as well — particularly about 12 hours after liftoff, when they're expected to fire up and send Webb toward its deep-space destination.
As Webb makes that journey, it will be pushed around by the solar wind, or the constant stream of particles coming from the sun, so the telescope will unfold a "trim tab" for stability. .One of the biggest things Webb will have to unfold is a complex, tennis court-sized sunshield array, which has 140 release mechanisms, 70 hinge assemblies, 400 pulleys, 90 cables and 8 deployment motors, bearing springs and gears, NASA says in the video.Get breaking space news and the latest updates on rocket launches, skywatching events and more
16 hours ago
18 hours ago
19 hours ago
20 hours ago
Get monthly updates and free resources.
CONNECT WITH US