Ooh, sick burn! 🔥

In this case, we’re not talking about insults, but a burn of fuel to adjust #NASAWebb’s trajectory on its million mile (1.5 million km) journey to #UnfoldTheUniverse. #ICYMI, Webb had its first mid-course correction burn Dec. 25: go.nasa.gov/32uctX1
So far, the post-launch journey has been smooth sailing. Burns are scheduled to leave as much remaining fuel as possible for #NASAWebb’s ordinary operations over its lifetime, like small adjustments to keep Webb in its desired orbit once it arrives. #UnfoldTheUniverse
One interesting aspect of the #NASAWebb launch and its burns is that we always "aim a little bit low." Webb's thrusters can only push Webb away from the Sun, not back toward the Sun (and Earth). We designed launch and these burns to always avoid drifting away.
These mid-course corrections burns and deployments are managed by people, so timing can change a bit. Webb's second burn is expected tonight, with a final burn about one month after launch. Preview what's next to #UnfoldTheUniverse here: webb.nasa.gov/deployments

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More from @NASAWebb

22 Dec
Ahead of our launch, we asked you to show us what you believe #NASAWebb will reveal through art. Here are just some of submissions we received for our #UnfoldTheUniverse art challenge! Keep them coming! Special thanks to all of our participants. More info: go.nasa.gov/unfoldtheunive…
Our gallery of #UnfoldTheUniverse submissions: webb.nasa.gov/content/featur…

Credits: @NASAGoddard/ Madison Dean, Lead Producer and Editor

Host: @kelliegerardi with Delta V.
Artists featured in this video:
Mason Cortez
Sreshta Velamuri
Jon Young
Galina Ivanova
Mashal
Collin Cochran
Thessaly Dunn
Jaden Berkley
Noelle Lui
Siddharth Sajith Nair
Shelina Swastika Kumar
Elena Schwer
Mansi Ashtamkar
Reyansh Sunwar
Jedidiah Dore
(1/2)
Read 4 tweets
16 Jul
Tomorrow is #WorldEmojiDay! We’d like you to guess some Webb-themed emojis and tell us what they are in the comments below ⬇️ We'll reveal the answers soon! Graphic with "Webb Emoji Quiz" title at the top. T
1. The first answer is “Webb telescope”! That’s us — the largest and most powerful space observatory ever built. Webb will look back to about 13.6 billion years ago, observing the first stars, galaxies and more. Latest milestones: go.nasa.gov/3ihiquc Close-up image of the James Webb Space Telescope's gold-coat
2. It’s “sunshield”! The sunshield is a 5-layer, tennis court-sized structure that will always protect Webb's sensitive mirrors & instruments from the heat/light of the Sun, Earth and Moon. More: jwst.nasa.gov/content/observ… The James Webb Space Telescope displaying its fully unfolded
Read 10 tweets
15 Jul
Tower stowed ✅
Lens cap removed ✅
Sunshield pallets stowed ✅

3 more testing milestones have been completed for #NASAWebb! The world’s most complex & powerful space telescope is making big progress for its launch & million-mile journey later this year. go.nasa.gov/3ihiquc Ball Aerospace technician Larkin Carey carefully removes Web
1. The tower is a pipe structure that helps Webb maintain operating temperatures by separating its cold optics from its warm spacecraft bus. Fully extended, the tower reaches 10 ft in length! Recently tested for the last time, it is now lowered & locked into place for launch. Technicians work on testing the deployable tower assembly of
2. Here, a @BallAerospace technician carefully removes Webb’s "lens cap," which has kept the observatory’s instruments protected and contaminant-free. With launch approaching, removing this cover gives engineers additional freedom in packing up the rest of the observatory. Ball Aerospace technician Larkin Carey carefully removes the
Read 4 tweets
9 Oct 20
Testing is the spacecraft equivalent of @NASA_Astronauts training. But how does a space telescope like #NASAWebb “train” for its launch journey?

Thread ⬇️
1) Let’s start with liftoff. A rocket launch is 100 times more intense and 4 times louder than a rock concert! 🎸

To simulate that level of extreme noise, Webb’s complete structure was recently blasted with powerful sound waves. 🔊
2) #NASAWebb was also carefully folded into its launch position, placed onto a shaker table, and vibrated from 5 to 100 times per second to match the speeds of its launch vehicle, an @arianespace Ariane 5 rocket. 🚀

Read our latest feature: go.nasa.gov/2SvxSX4
Read 13 tweets

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