The 18-segment gold coated primary mirror of NASA’s James Webb Space Telescope is raised into vertical alignment 
in the largest clean room at the agency’s Goddard Space Flight Center in Greenbelt, Maryland, on Nov. 2, 2016.
 The secondary mirror mount booms are folded down into stowed for launch configuration. 
 Credit: Ken Kremer/

Technicians work on the James Webb Space Telescope in the massive clean room at NASA’s Goddard Space Flight Center,
 Greenbelt, Maryland, on Nov. 2, 2016, as the completed golden primary mirror and observatory structure stands gloriously vertical 
 on a work stand, reflecting incoming light from the area and observation deck. 
 Credit: Ken Kremer/

NASA’s James Webb Space Telescope placed inside a “clean tent” in Nov. 2016 to protect it from dust and dirt
 as engineers at NASA’s Goddard Space Flight Center in Greenbelt, Maryland transport it out of the relatively
 dust-free cleanroom and into a shirtsleeve environment to conduct vibration and acoustics tests 
 to confirm it is fit for launch in 2018.
 Credit: NASA/Chris Gunn

All 18 gold coated primary mirrors of NASA’s James Webb Space Telescope are seen fully unveiled
 after removal of protective covers installed onto the backplane structure,
 as technicians work inside the massive clean room at NASA’s Goddard Space Flight Center
 in Greenbelt, Maryland on May 3, 2016. The secondary mirror mount booms are folded down into stowed
 for launch configuration
 . Credit: Ken Kremer/

Up close side-view of newly exposed gold coated primary mirrors installed onto mirror backplane holding structure
 of NASA’s James Webb Space Telescope inside the massive clean room at NASA’s Goddard Space Flight Center 
 in Greenbelt, Maryland on May 3, 2016. Aft optics subsystem stands upright at center of 18 mirror segments
 between stowed secondary mirror mount booms.
 Credit: Ken Kremer/

Ken Kremer/Universe Today reflecting in and about the golden mirrors of NASA’s James Webb Space Telescope
 which will peer back 13.5 Billion years to unravel the mysteries off the formation of the early Universe
 and tell us how our place in the Universe came to be. 
 Credit: Ken Kremer/

NASA engineers and technicians position the James Webb Space Telescope (inside a large tent)
 onto the shaker table used for vibration testing.
 Credits: NASA/Chris Gunn

The JWST’s Optical Telescope element/Integrated Science instrument module (OTIS)
 undergoing testing at NASA’s Johnson Space Center. 
 Credit: NASA/Desiree Stover

The James Webb Space Telescope’s 18-segment primary mirror, a gold-coated beryllium
 mirror has a collecting area of 25 square meters.
 Credit: NASA/Chris Gunn

Once deployed, the JWST will conduct a variety of science missions 
aimed at improving our understanding of the Universe. 
Credit: NASA/STScI

Artist’s impression of the planet orbiting a red dwarf star.
 Credit: ESO/M. Kornmesser

The James Webb Space Telescope inside a clean room at NASA’s Johnson Space Center in Houston. 
Credit: NASA/JSC

NASA’s James Webb Space Telescope sits in Chamber A at NASA’s Johnson Space Center in Houston
 awaiting the colossal door to close in July 2017 for cryogenic testing.
 Credits: NASA/Chris Gunn

he sunshield test unit on NASA’s James Webb Space Telescope is unfurled for the first time.
 Credit: NASA

NASA’s James Webb Space Telescope is a civilization scale mission, set to look back to the first galaxies formed
 after the Big Bang and help answer the question “are we alone in the universe?” 
 After passing a key test at Johnson Space Center designed to simulate the cold vacuum of space,
 Webb is ready for the next step ahead of a launch in 2019.
This video is available for download from 
 NASA's Image and Video Library:

<

NASA Webb Telescope Construction Leaps Forward with Delivery
of Mirror Holding Backbone Flight Structure
by KEN KREMER on OCTOBER 8, 2015

View showing actual flight structure of mirror backplane unit for NASA’s James Webb Space Telescope (JWST)

that holds 18 segment primary mirror array and secondary mirror mount at front, in stowed-for-launch configuration.

JWST is being assembled here by technicians inside the world’s largest cleanroom at NASA Goddard Space Flight Center, Greenbelt, Md.

  Credit: Ken Kremer.com

Up close view of actual side wing backplane of NASA’s James Webb Space Telescope (JWST) 

that will hold 3 of the observatory’s 18 primary mirrors, as technicians work inside cleanroom

at NASA Goddard Space Flight Center, Greenbelt, Md.

  Credit: Ken Kremer.com

Side view of flight unit mirror backplane assembly structure for NASA’s James Webb Space Telescope (JWST)

that holds primary mirror array and secondary mirror mount in stowed-for-launch configuration. 

JWST is being assembled technicians inside the cleanroom at NASA Goddard Space Flight Center, Greenbelt, Md.

  Credit: Ken Kremer.com

 

The James Webb Space Telescope team successfully installed the first flight mirror onto the telescope structure

 at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. Credits: NASA/Chris Gunn
Story/photos updated
 

Inside a massive clean room at NASA’s Goddard Space Flight Center in Greenbelt, Maryland 

the James Webb Space Telescope Team prepared for the first flight mirror’s installation onto the telescope structure.

 Credits: NASA/Chris Gunn
 

An engineer at NASA’s Goddard Space Flight Center worked to install the first flight mirror onto the telescope structure at

NASA’s Goddard Space Flight Center in Greenbelt, Maryland. Credits:

 NASA/Chris Gunn
 

AEngineers practiced mirror installation techniques and processing using a spare primary mirror on JWST’s “Pathfinder”

backplane and secondary mirror tripod assembly in 2014 inside the clean room at NASA Goddard Space Flight Center, Greenbelt, Md.

Secondary mirror at top. 
 Credit: Ken Kremer.com

 

Close-up view of spare primary mirrors installed on JWST’s “Pathfinder” backplane structure

during practice session in 2014 inside the clean room at NASA Goddard Space Flight Center,
 Credit: Ken Kremer.com

 

Gold coated flight spare of a JWST primary mirror segment made of beryllium 

and used for test operations inside the NASA Goddard clean room. 
 Credit: Ken Kremer.com

 

Published on Feb 11, 2016
This time-lapse shows the assembly of the primary mirror of NASA's James Webb Space Telescope. Assembly was completed on February 3, 2016.


JWST is the scientific successor to NASA's Hubble Space Telescope. It will be the most powerful space telescope ever built.

 Webb will study many phases in the history of our universe, including the formation of solar systems capable of supporting

 life on planets similar to Earth, as well as the evolution of our own solar system. It’s targeted to launch from French Guiana aboard 

 an Ariane 5 rocket in 2018. Webb is an international project led by NASA with its partners, ESA (European Space Agency) and the 

 Canadian Space Agency.

Download video: https://svs.gsfc.nasa.gov/cgi-bin/det...

Credit: NASA's Goddard Space Flight Center
Category
Science & Technology
License
Standard YouTube License
 

Behold, the mighty primary mirror of the James Webb Space Telescope, in all its gleaming glory! 

Image: NASA/Chris Gunn

The James Webb Space Telescope in the clean room at the Goddard Space Flight Center. Image: NASA/Chris Gunn
NASA groups JWST’s science objectives into four areas:

infrared vision that acts like a time-machine, giving us a look at the first stars and galaxies to form in the Universe,

 over 13 billion years ago.
a comparative study of the stately spiral and elliptical galaxies of our age with the faintest, earliest galaxies to form in the Universe.
a probing gaze through clouds of dust, to watch stars and planets being born.
a look at extrasolar planets, and their atmospheres, keeping an eye out for biomarkers.

In this rare view, the James Webb Space Telescope team crane lifted the science instrument package

 for installation into the telescope structure. Credits: NASA/Chris Gunn

In this rare view, the James Webb Space Telescope team crane lifted the science instrument package 

for installation into the telescope structure. Credits: NASA/Chris Gunn

This side shot shows a glimpse inside a massive clean room at NASA’s Goddard Space Flight Center in

 Greenbelt, Maryland where the James Webb Space Telescope team worked meticulously to complete the science instrument package installation.

 Credits: NASA/Desiree Stover

Up close view shows cone shaped Aft Optics Subsystem (AOS) standing at center of Webb telescopes 18 segment primary mirror 

at NASA’s Goddard Space Flight Center in Greenbelt, Maryland on May 3, 2016. ISIM science instrument module will be installed

 inside truss structure below. Credit: Ken Kremer/

Up close side-view of newly exposed gold coated primary mirrors installed onto mirror backplane holding structure of 

NASA’s James Webb Space Telescope inside the massive clean room at NASA’s Goddard Space Flight Center in Greenbelt, Maryland

 on May 3, 2016. Aft optics subsystem stands upright at center of 18 mirror segments between stowed secondary mirror mount booms. 

 Credit: Ken Kremer/

All 18 gold coated primary mirrors of NASA’s James Webb Space Telescope are seen fully unveiled after removal of protective covers

 installed onto the backplane structure, as technicians work inside the massive clean room at NASA’s Goddard Space Flight Center 

 in Greenbelt, Maryland on May 3, 2016. The secondary mirror mount booms are folded down into stowed for launch configuration.
  Credit: Ken Kremer/

Published on May 4, 2016
The 18-segment primary mirror of NASA's James Webb Space Telescope was raised into vertical alignment

 in the largest clean room at the agency's Goddard Space Flight Center in Greenbelt, Maryland, on May 4, 2016.
The James Webb Space Telescope is the scientific successor to NASA's Hubble Space Telescope. 

It will be the most powerful space telescope ever built. Webb will study many phases in the history of our universe,

 including the formation of solar systems capable of supporting life on planets similar to Earth, as well as the evolution of our own solar system.

 It’s targeted to launch from French Guiana aboard an Ariane 5 rocket in 2018. Webb is an international project led by NASA with its partners, 

 ESA (European Space Agency) and the Canadian Space Agency.

Learn more at:
Goddard Space Flight Center 
 Nasa's webb telescope page

Credit: NASA's Goddard Space Flight Center/Francis Reddy, Syneren Technologies


Like our videos? Subscribe to NASA's Goddard Shorts HD podcast:


Or find NASA Goddard Space Flight Center on Facebook:


Or find us on Twitter:
Category
Science & Technology
License
Standard YouTube License

Artist’s concept of the James Webb Space Telescope (JWST) with Sunshield at bottom
Credit: Ken Kremer.com

 The James Webb Space Telescope web site

The Hubble Space Telescope on the left has a 2.4 meter mirror and the James Webb Space Telescope
 has a 6.5 meter mirror. LUVOIR, not shown, will dwarf them both with a massive 15 meter mirror.
 Credit: NASA

Goddard space flight center Luvoir web page

Published on Apr 17, 2017
  Visit for more.
Stringent testing is underway to prove the James Webb Space Telescope can handle an Earth-shaking take-off
 and still capture the universe’s first light while deeply ensconced in the hyper-cold of space.

When it comes to the first galaxies, the James Webb Space Telescope will attempt to understand 
the formation of those galaxies and their link to the underlying dark matter. In case you didn’t know,
 most of the matter in our universe is invisible (a.k.a. “dark”), but its gravity binds everything together,
 including galaxies. So by studying galaxies – and especially their formation – we can get some hints as to how
 dark matter works. At least, that’s the hope. It turns out that astronomy is a little bit more complicated 
 than that, and one of the major things we have to deal with when studying these distant galaxies is dust. A lot of dust.

Were the dark ages really dark? What is a perturbation, and how did they grow
 in the early universe? When the first stars awoke, what happened? 
 I discuss these questions and more in today’s Ask a Spaceman!

Full podcast episodes:
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Keep those questions about space, science, astronomy, astrophysics, physics, 
and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!
Big thanks to my top Patreon supporters this month: Robert R., Justin G., Matthew K.,
 Kevin O., Chris C., Helge B., Tim R., Steve P., Lars H., Khaled T., Chris L., John F.,
 Craig B., Mark R., David B., Stephen M., Andrew P., and George L.!
Music by Jason Grady and Nick Bain. Thanks to WCBE Radio for hosting the recording session,
 Greg Mobius for producing, and Cathy Rinella for editing.
Hosted by Paul M. Sutter, astrophysicist at The Ohio State University, Chief Scientist 
at COSI Science Center,  and the one and only Agent to the Stars

In this week's questions show, I wonder if the James Webb Space Telescope will be able to
 find satellites around other stars, what my favorite sci-fi FTL method is, and why can't
 we see Mars as a bright object in the sky?

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Team: Fraser Cain - @fcain / frasercain@gmail.com
Karla Thompson - @karlaii
 
 Chad Weber -
 
Chloe Cain - Instagram: @chloegwen2001

Music: Left Spine Down - “X-Ray”

Illustration of NASA’s James Webb Space Telescope. 
Credits: NASA

A composite image from IllustrisTNG. Panels on the left show galaxy-galaxy
 interactions and the fine-grained structure of extended stellar halos.
 Panels on the right show stellar light projections from two massive central 
 galaxies at the present day. It’s easy to see how the light from massive central
 galaxies overwhelms the light from stellar halos. 
 Image: IllustrisTNG

The Illustris web site

Once it is deployed to space, the James Webb Space Telescope (JWST)
 will be the most sophisticated and advanced space telescope in operation. 
 Carrying on in the tradition of Hubble, Kepler, and Spitzer,
 the JWST will use its advanced suite of infrared imaging capabilities
 to study distant exoplanets, learn more about the Solar System,
 and study the earliest galaxies in the Universe.

The James Webb’s spacecraft element being placed into Northrop Grumman’s
 environmental testing chambers.
 Credits: Northrop Grumman

Testing Webb. Credit: NASA/Desiree Stover

Click here to return to top of page

Image: The fully assembled James Webb Space Telescope with its sunshield and
 unitized pallet structures (UPSs) that fold up around the telescope for launch, 
 are seen partially deployed to an open configuration to enable telescope installation.
 Credits: NASA/Chris Gunn.
“This is an exciting time to now see all Webb’s parts finally joined together into a 
single observatory for the very first time,” says Gregory Robinson, the Webb program director
 at NASA Headquarters in Washington, D.C. “The engineering team has accomplished a huge step
 forward and soon we will be able to see incredible new views of our amazing universe.”

Image: Integration teams carefully guide Webb’s suspended telescope section into place above
 its Spacecraft Element just prior to integration. Credit: NASA/Chris Gunn.
The sunshield should allow the telescope, once at the L2 Lagrangian point, to cool down 
below 50 Kelvin (-223 degrees Celsius) by simply radiating its heat into space. 
This will allow successful functioning of the near-infrared instruments,
 which include the Near Infrared Camera (NIRCam), the Near InfraRed Spectrograph (NIRSpec)
 and the Fine Guidance Sensor / Near Infrared Imager and Slitless Spectrograph (FGS/NIRISS)
 — all of these work at 39 K (-234°C). The Mid-Infrared Instrument (MIRI) will operate
 at 7 K (-266 degrees Celsius) using a cryocooler system. Thermal stability will allow 
 proper alignment of the primary mirror segments.

Image: NASA’s James Webb Space Telescope, post-integration, inside Northrop Grumman’s
 cleanroom facilities in Redondo Beach, California. Credit: NASA/Chris Gunn.
With launch scheduled for 2021, extensive environmental and deployment testing will now be
 undertaken for the fully assembled observatory. All of the telescope’s major components
 have gone through rounds of environmental tests including launch stress and vibration,
 but we now have to put the integrated assembly through its paces. As if launch wasn’t stressful enough,
 we’ll have to sweat out deployment of the sunshield and the 6.5-meter primary mirror, all destined 
 for Earth-Sun L2, which is far beyond the orbit of the Moon. Plenty of suspense ahead as we tune-up for 2021.
 Getting this expensive bird in place is going to be a nail-biter.

Put “James Webb Telescope launch” into your search engine and you’ll be flooded with links,
 some reaching back to the ‘scope’s first proposed launch date in 2010. The delayed launch 
 of the space telescope is a running theme in the space community, even though we all know
 it’s going to be worth the wait. So nobody will be surprised by this latest development 
 in the story of the world’s most anticipated telescope.

The sunshield of NASA’s James Webb Space Telescope sits deployed inside a cleanroom 
at Northrop Grumman Aerospace Systems in Redondo Beach, California, in October 2017.
 Credits: Northrop Grumman

Inside a massive clean room at NASA’s Goddard Space Flight Center in Greenbelt, Maryland
 the James Webb Space Telescope team used a robotic am to install the last of the 
 telescope’s 18 mirrors onto the telescope structure.
 Credits: NASA/Chris Gunn

Problems with components of the data transmission system used up 75% of the project’s reserve time,
 putting even more pressure on the launch date. 
 Image Credit: GAO/JWST Report

On March 30, 2021, NASA’s James Webb Space Telescope will blast off from the European Space Agency’s
 European spaceport in Kourou, French Giana on board an Ariane 5 rocket. 
It’ll fly to the Sun-Earth L2 Lagrange point, a relatively stable spot in space that keeps the glare
 from the Sun, Earth, and Moon all in a tiny spot in the sky. Then, it’ll unfurl its tennis court-sized sunshade,
 fold out its gigantic 6.5-meter mirror, and peer out into the distant cosmos. 
Over the course of the next 10 years, this infrared observatory will help astronomers learn about the earliest
 moments of the Universe, directly observe the atmospheres of planets orbiting other stars, and peer at newly
 forming stars and planets.
And if you listened to the words I just said with equal parts terror and skepticism, I don’t blame you.
 James Webb’s path to space has been long and tortuous. And the risks that the mission still faces are very real.
 Hopefully, the science will be worth it. Hopefully, nothing else goes wrong from now until deployment.
So today, I want to do a deep dive into James Webb. To talk about the history of the mission, why it exists,
 how the development went, and where it stands today.
I’ll warn you though, the length of this video is going to go way over budget.

Our Book is out!

Audio Podcast version:
 ITunes:
 RSS:

 RSS:
Sign up to my weekly email newsletter:

 Support us at:Support us at:
 
  Follow us on Tumblr:
 
: More stories at

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 Like us on Facebook:
 

 
 Instagram -

Team: Fraser Cain - @fcain / frasercain@gmail.com
 /Karla Thompson - @karlaii
 
 Chad Weber -
 
Chloe Cain - Instagram: @chloegwen2001
References:
Planning for JWST
About - Hubble Servicing Missions
Discoveries | Highlights of Hubble’s Exploration of the Universe
THE NEXT GENERATION
SPACE TELESCOPE (pdf)
A Balance Between Human Space Flight And Science
Design Reference Mission
TRW Selected as JWST Prime Contractor
NASA Announces Contract For
Next Generation Space Telescope,
Named After Space Pioneer
News Feature
Published: 27 October 2010
Space science: The telescope that ate astronomy
IPAC near mid and far infrared
OBSERVATORY INSTRUMENTS Sunshield
The ISIM houses the four main instruments that will detect light from distant stars and galaxies, and planets orbiting other stars.
NIRCam will detect light from: the earliest stars and galaxies in the process of formation, the population of stars in nearby galaxies, as well as young stars in the Milky Way and Kuiper Belt objects.

FGS is a "guider," which helps point the telescope. NIRISS will be used to investigate the following science objectives: first light detection, exoplanet detection and characterization, and exoplanet transit spectroscopy.
Webb vs Hubble Telescope 
Webb vs Hubble Telescope 
General Questions about Webb
Jet Propulsion lab spitzer telescope
Technical FAQ On A Variety Of Mission Issues, Aspects And Capabilities.
( FOR THE SCIENCE/TECHNICAL COMMUNITY.)
NASA Completes Webb Telescope Review, Commits to Launch in Early 2021
NASA’s James Webb Space Telescope Has Been Assembled for the First Time

Click here to return to top of page

During a recent test, engineers and technicians fully deployed all five layers of the 
James Webb Space Telescopes sun-shield.
Image Credit: NASA/Chris Gunn

The sunshield of NASA’s James Webb Space Telescope sits deployed inside a cleanroom 
at Northrop Grumman Aerospace Systems in Redondo Beach, California, in October 2017.
 Credits: Northrop Grumman

Inside a massive clean room at NASA’s Goddard Space Flight Center in Greenbelt, Maryland 
the James Webb Space Telescope team used a robotic am to install the last of the 
telescope’s 18 mirrors onto the telescope structure. 
Credits: NASA/Chris Gunn

Problems with components of the data transmission system used up 75% of the project’s reserve time, 
putting even more pressure on the launch date.
 Image Credit: GAO/JWST Repor

Click here to return to top of page

We’re inching closer and closer to the James Webb Space Telescope’s (JWST) launch date of March 30th, 2021,
 (or maybe July 2021.) We never thought we’d get this close, with only a year to go before we send this 
 powerful space telescope on its way. Now the telescope has been put in its launch configuration.

For NASA’s James Webb Space Telescope to fit into an Ariane V rocket for launch, it must fold up.
 This graphic shows how Webb fits into the rocket fairing with little room to spare.
Credits: ArianeSpace.com

During a recent test, engineers and technicians fully deployed all five layers of the James Webb Space Telescopes sun-shield.
 Image Credit: NASA/Chris Gunn

This video shows how NASA’s James Webb Space Telescope is designed to fold to a much smaller size in order to fit
 inside the Ariane V rocket for launch to space.  The largest, most complex space observatory ever built,
 must fold itself to fit within a 17.8-foot (5.4-meter) payload fairing, and survive the rigors of a 
 rocket ride to orbit. After liftoff, the entire observatory will unfold in a carefully choreographed
 series of steps before beginning to make groundbreaking observations of the cosmos.

: Read more

Credit: NASA's Goddard Space Flight Center

If you liked this video,  subscribe to the NASA Goddard YouTube channel:

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The JWST will do its observing while in what’s called a halo orbit at the Sun-Earth LaGrangian 2 point,
 a gravitationally stable point 1.5 million km from Earth.
 Image: NASA/JWST

On March 30, 2021, NASA’s James Webb Space Telescope will blast off from the European Space Agency’s
European spaceport in Kourou, French Giana on board an Ariane 5 rocket. 
It’ll fly to the Sun-Earth L2 Lagrange point, a relatively stable spot in space that keeps the glare 
from the Sun, Earth, and Moon all in a tiny spot in the sky. Then, it’ll unfurl its tennis court-sized sunshade,
 fold out its gigantic 6.5-meter mirror, and peer out into the distant cosmos. 
Over the course of the next 10 years, this infrared observatory will help astronomers learn about the earliest
 moments of the Universe, directly observe the atmospheres of planets orbiting other stars, 
 and peer at newly forming stars and planets.
And if you listened to the words I just said with equal parts terror and skepticism, I don’t blame you. 
James Webb’s path to space has been long and tortuous. And the risks that the mission still faces are very real. 
Hopefully, the science will be worth it. Hopefully, nothing else goes wrong from now until deployment.
So today, I want to do a deep dive into James Webb. To talk about the history of the mission,
 why it exists, how the development went, and where it stands today.
I’ll warn you though, the length of this video is going to go way over budget.

Our Book is out!

Audio Podcast version:
ITunes:
 RSS:
Sign up to my weekly email newsletter:

 Support us at:Support us at:
 
  Follow us on Tumblr:
 
: More stories at

Follow us on Twitter: @universetoday

 Like us on Facebook:
 

 
 Instagram -

Team: Fraser Cain - @fcain / frasercain@gmail.com
 /Karla Thompson - @karlaii
 
 Chad Weber -
 
Chloe Cain - Instagram: @chloegwen2001

References:
Planning for JWST
About - Hubble Servicing Missions
Discoveries | Highlights of Hubble’s Exploration of the Universe
THE NEXT GENERATION SPACE TELESCOPE initial report on JWST (pdf)
Who is James Webb? 
Design Reference Mission
TRW Selected as JWST Prime Contractor
NASA Announces Contract For Next Generation Space Telescope,Named After Space Pioneer
Space science: The telescope that ate astronomy from Nature magazine
Near, Mid and Far Infrared 
JWST SUNSHIELD
ISM & INSTRUMENTS
ISM & NIRCAM
FGS/NIRISS
MIRI
WEBB VS HUBBLE
Frequently Asked Questions
Spitzer cal tech page
Technical FAQ On A Variety Of Mission Issues, Aspects And Capabilities.
NASA Completes Webb Telescope Review, Commits to Launch in Early 2021
NASA’s James Webb Space Telescope Has Been Assembled for the First Time

Click here to return to top of page

The process of deploying, moving, expanding and unfurling all of Webb’s many movable pieces
 after they have been exposed to a simulated launch is the best way to ensure they will perform 
 as intended once in space.
 Credits: NASA/Chris Gunn

This video shows the James Webb Space Telescope's mirrors during their long string of tests,
 from individual segments to the final tests of the assembled mirror. 
 :Learn more about the journey of the mirrors here

Read more about our latest milestone,  the mirrors last unfolding on Earth. The next time will be in space!

: Download this video plus additional B-roll 

Credits: NASA's Goddard Space Flight Center
Michael P. Menzel (AIMM): Producer
Michael McClare (KBRwyle): Lead Videographer
Sophia Roberts (AIMM): Videographer
Michael P. Menzel (AIMM): Video Editor

Music credit: Encrypted(C)2017, Atmosphere Music Ltd. [ PRS ], Steve Everitt

The Ariane5 lifting off from Kourou in French Guiana. 
Image: ESA/Arianespace.

Click here to return to top of page

 With integration and testing formally concluded for the James Webb Space Telescope,
 NASA’s next giant leap into the cosmic unknown will soon be underway.
 Credits: NASA/Chris Gunn

Engineering teams have completed the James Webb Space Telescope’s long-spanning
 comprehensive testing regimen at Northrop Grumman’s facilities.
 Webb’s many tests and checkpoints were designed to ensure that the
 world’s most complex space science observatory will operate as designed
 once in space. Now that observatory testing has concluded, shipment
 operations have begun. This includes all the necessary steps
 to prepare Webb for a safe journey through the Panama Canal
 to its launch location in Kourou, French Guiana, on the northeastern coast of South America.
 
 Read more:

 Download this video:

Credits: NASA's Goddard Space Flight Center 

Music Credit: Interstellar Travels, Copyright, 2012,
 Soundcast Music [SESAC], Christian Telford, David Travis Edwards,
 Matthew St Laurent, Robert Anthony Navarro

Michael P. Menzel (AIMM): Lead Producer
Thaddeus Cesari (X3M Systems): Writer
Aaron E. Lepsch (ADNET): Technical Support
Sophia Roberts (AIMM): Videographer
Michael P. Menzel (AIMM): Lead Videographer
Michael P. Menzel (AIMM): Video Editor

The conclusion of this test represents the team’s final in a long series
 of checkpoints designed to ensure Webb’s 18 hexagonal mirrors are
 prepared for a long life of profound discovery.
 Credits: NASA/Chris Gunn

Webb launch timeline at Europe’s Spaceport.
 Credit: ESA.

Click here to return to top of page

Whew! A major milestone was achieved today in the James Webb Space Telescope’s journey towards launch.
 After the telescope successfully arrived in French Guiana yesterday following a secretive 16-day ocean journey
 (with apparently no pirates in sight), today the telescope took a short road trip over land to the ESA’s spaceport in Kourou.
 JWST is now at the payload processing facility, where staff will start the process of getting the telescope into the Ariane 5 rocket fairing.

Launch is currently scheduled for December 18, 2021 …

JWST inside the specialized, airtight shipping container. Image courtesy Rohde and Liesenfeld.

WST’s deployment timeline. Credit: ESA

The NIRSpec instrument is the workhorse near-infrared spectrograph on board the James Webb Space Telescope and is provided by ESA.

The primary goal of NIRSpec is to enable large spectroscopic surveys of astronomical objects such as stars or distant galaxies. 
This is made possible by its powerful multi-object spectroscopy mode, which makes use of microshutters. This mode is capable
 of obtaining spectra of up to nearly 200 objects simultaneously, over a 3.6×3.4 arcminute field of view – the first time
 this capability has been provided from space. This mode makes for very efficient use of Webb’s valuable observing time.

This animation shows the path followed by light from an astronomical object as it travels through the NIRSpec components and onto the detector.
 Learn more about spectroscopy with the Webb telescope:

: Learn more about Webb

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On Oct. 12th 2021, the James Webb Space Telescope (JWST) arrived safely at Port de Pariacabo in French Guiana 
after spending 16 days traveling between California and South America. Since then, 
the observatory was transported from California to French Guiana and brought to a cleanroom
 in the Guyanese Space Center (GSC). Here, crews “unboxed” the observatory from 
 its protective cargo container in preparation for launch – now targetted for Dec. 18th 2021.

The JWST being removed from its protective container.
 Credit: ESA/CNES/Arianespace

The JWST being removed from its protective container.
 Credit: ESA/CNES/Arianespace

The greatest origin story of all unfolds with the James Webb Space Telescope. Webb's launch 
is a pivotal moment that exemplifies the dedication, innovation, and ambition behind NASA and its partners,
 the European Space Agency (ESA) and Canadian Space Agency (CSA), but it is only the beginning. 
 The 29 days following liftoff will be an exciting but harrowing time. Thousands of parts must work correctly,
 in sequence, to unfold Webb and put it in its final configuration, all while it
 flies through the expanse of space alone, to a destination nearly one million miles away. As the largest 
 and most complex telescope ever sent into space, the James Webb Space Telescope is a technological marvel.
 By necessity, Webb takes on-orbit deployments to the extreme. Each step can be controlled expertly from the ground,
 giving Webb’s Mission Operations Center full control to circumnavigate any unforeseen issues with deployment.

Credit: NASA Goddard Space Flight Center

Michael McClare (KBRwyle): Producer
Michael McClare (KBRwyle): Director
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Michael McClare (KBRwyle): Video Editor
Aaron E. Lepsch (ADNET): Technical Support


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Part of the JWST unboxing in ESA’s Spaceport’s cleanroom
Credit – ESA

After its arrival at Pariacabo harbour in French Guiana on 12 October 2021, the James Webb Space Telescope 
was transported to Europe’s Spaceport and unboxed in the cleanroom. It is now being prepared for its 
launch on an Ariane 5 rocket in December.  

Though the telescope weighs only six tonnes, it is more than 10.5 m high and almost 4.5 m wide when folded. 
It was shipped in its folded position in a 30 m long container which, with auxiliary equipment, weighed more than 70 tonnes. 

After arriving in the harbour, the telescope inside its container was towed by a heavy-load tractor unit to 
the spacecraft processing facility at Europe’s Spaceport. 

There, Webb’s special shipping container was opened, and the telescope was unboxed inside the facility’s 
cleanroom and installed on a rollover fixture to raise it vertical. This is how it will stand inside the Ariane 5 fairing. 

Webb’s launch campaign involves more than 100 specialists. Teams will work separately to prepare the telescope
 and the launch vehicle until they become one combined team to join the telescope with its rocket for a momentous liftoff.

Webb will be the largest, most powerful telescope ever launched into space. As part of an international
 collaboration agreement, ESA is providing the telescope’s launch service using the Ariane 5 launch vehicle. 
 Working with partners, ESA was responsible for the development and qualification of Ariane 5 adaptations 
 for the Webb mission and for the procurement of the launch service by @arianespace.

Webb is an international partnership between @NASA, ESA and the @Canadian Space Agency.

 Find out more about Webb in ESA’s launch kit:

Credit: ESA/@CNES/Arianespace/@NASA GoddardSpace Flight Center 

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n Artist’s Conception of the James Webb Space Telescope in space.
Credit: ESA.

On Oct. 12th, 2021, after years of waiting and cost overruns, the James Webb Space Telescope (JWST)
 finally arrived safely at Europe’s Spaceport in Kourou, French Guiana. The crews began 
 unboxing the next-generation observatory and getting it ready for integration with 
 the Ariane 5 rocket that will take it to space. Then, an “incident” occurred where 
 a clamp band suddenly released, sending vibrations throughout the facility. 
 Once again, the JWST’s launch date was pushed back while crews investigated the source of the problem.

With integration and testing formally concluded for the James Webb Space Telescope, 
NASA’s next giant leap into the cosmic unknown will soon be underway.
 Credits: NASA/Chris Gunn

The world’s next generation cosmic observatory, the James Webb Space Telescope,
 is due for launch on an Ariane 5 from Europe’s Spaceport in French Guiana in late December.
 
Developed and constructed over more than 30 years, Webb is a remarkable
 feat of engineering and technology – with the largest astronomical mirror
 ever flown in space, sophisticated new scientific instruments, and a sunshield the size of a tennis court.
 
Webb is an international partnership between @NASA, ESA and the @Canadian Space Agency
 and will reveal the Universe in a whole new light. Optimised for infrared wavelengths, 
 its detectors will be able to look back to shortly after the very dawn of time, 
 revealing the formation of the first galaxies, as well as study stars and planets in our own Milky Way.

 Find out more about Webb in ESA’s launch kit:

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Click here to Jump to Universetoday's associated pages

Lead image caption: Illustration of NASA’s James Webb Space Telescope.
 Credits: NASA

On December 17,2021 the Ariane 5 rocket fairing was closed around the James Webb Space Telescope.
 This protective fairing, or ‘nose cone’, will shield the telescope during liftoff
 and its journey through the atmosphere on December 24, 2021 
 Credit: ESA

n Friday 17 December 2021, the Ariane 5 rocket fairing was closed around the James Webb Space Telescope.
 This protective fairing, or ‘nose cone’, will shield the telescope during liftoff and its journey
 through the atmosphere on 24 December.
Earlier, Webb was placed on top of Ariane 5 and a protective ‘shower curtain’ was put up to avoid any contamination. 
On the day of encapsulation in the fairing, a protective cover on top of Webb was removed and the fairing 
was lowered down over the observatory and locked in place for liftoff. 
This was a particularly delicate operation, assisted by a laser guiding system, because the margins between 
the folded up observatory (4.5 m wide) and the rocket fairing (5.4 m wide) are small.
The fairing is equipped with specialised environmental controls that keep the observatory
 in a perfectly controlled temperature and humidity range during its final few days on Earth. 
Now that Webb has been securely attached to its Ariane 5 launch vehicle, and enclosed within 
its protective fairing, mechanical operations involving the observatory at its launch site 
in French Guiana have formally concluded. 
Final electrical and software configurations will occur on the launch pad during the final hours before liftoff.
 Webb will switch to internal battery power roughly 20 minutes prior to liftoff, and within 15 minutes prior 
 the observatory and its launch vehicle will both be fully cleared for flight.
Ariane 5’s rollout to the launch pad is scheduled to begin Wednesday 22 December 2021,
 and this is where final health checks and preparations for liftoff will occur.
Webb will be the largest, most powerful telescope ever launched into space.
 As part of an international collaboration agreement, ESA is providing the telescope’s launch service
 using the Ariane 5 launch vehicle. Working with partners, ESA was responsible for the development 
 and qualification of Ariane 5 adaptations for the Webb mission and for the procurement of 
 the launch service by @arianespace.

Webb is an international partnership between @NASA, ESA and the @Canadian Space Agency.

 Find out more about Webb in ESA’s launch kit:
★ Subscribe:and click twice on the bell button to receive our notifications. 

Check out our full video catalog:
Follow us on Twitter:
On Facebook: 
On Instagram: 
On Flickr: 

We are Europe's gateway to space. Our mission is to shape the development of Europe's space capability
 and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
 Check out to get up to speed on everything space related. 
 Copyright information about our videos is available here:
 

#ESA
#Webb
#WebbFliesAriane

after a detailed analysis of where the James Webb Space Telescope is now (Dec. 29, 2021)
 and how it got there, NASA determined the observatory should have enough propellant 
 to operate in space for significantly more than 10 years in space.
Webb’s mission lifetime was designed to be at least 5-1/2 years, and mission engineers
 and scientists were hoping for closer to 10 years.

Webb’s orbit is around L2—a point of gravitational balance on the other side of Earth from the Sun—but
 it does not reside exactly at the L2 point. Right at that point, Earth’s shadowing of the Sun would be
 large enough to greatly reduce the amount of power available for Webb’s solar arrays, 
 without greatly simplifying the cooling challenges. In addition, when Webb’s communication
 antennas point at Earth to receive commands, they would be blinded by the huge radio emission 
 of the Sun in the same direction. Instead, as the diagram indicates, Webb operates in a very
 loose orbit (many hundreds of thousands of km in diameter) around L2, in constant sunlight 
 and with clean communications with the ground stations. 
 Credit:  NASA

see the wikipedia article on lagrange points below

You’re hot and you’re cold… 🎵
The JWST is split into a “hot side” and “cold side” by its sunshield. The sunshield will always
 be facing the Sun to block out heat and light, as Webb's mirrors need to stay extremely cold 
 to observe faint heat signals in the universe!

It’s really happening. The James Webb Space Telescope has successfully reached its orbital destination in space, 
1.5 million km (1 million miles) from Earth. A final 5-minute thruster firing on January 24, 2022
 put JWST in its halo orbit at the Sun-Earth Lagrange 2 (L2) point. The formal commissioning process can now begin.

Arianespace’s Ariane 5 rocket launches with the James Webb Space Telescope onboard, Saturday, Dec. 25, 2021,
 from Europe’s Spaceport at the Guiana Space Centre in Kourou, French Guiana. The James Webb Space Telescope
 (sometimes called JWST or Webb) is a large infrared telescope with a 21.3 foot (6.5 meter) primary mirror. 
 The observatory will study every phase of cosmic history—from within our solar system to the most distant 
 observable galaxies in the early universe.
 Photo Credit: (NASA/Bill Ingalls)

The orbit of JWST at L2. 
Credit: NASA

Shown with its primary mirror fully deployed, NASA’s James Webb Space Telescope is the largest
 and most technically complex space science telescope NASA has ever built.
 Credit: NASA/Chris Gunn

An Ariane 5 launch vehicle (Ariane Flight VA256) launched the James Webb Space Telescope from Ariane Launch Complex No. 3 (ELA 3) 
at Guiana Space Centre in Kourou, French Guiana, on 25 December 2021, at 12:20 UTC (09:20 local time, 07:20 EST, 13:20 CET).
 The James Webb Space Telescope (sometimes called JWST or Webb) is a large infrared telescope with a 6.5-meter primary mirror.
 Intended as the successor to the Hubble Space Telescope, JWST was funded by three space agencies: NASA, ESA, CSA. The telescope 
 will be 100 times more powerful, and will incorporate improved and different technologies to capture 70% more light. 
Credit: Arianespace/NASA
#Ariane5 #VA256  #UnfoldTheUniverse

The team behind NASA's James Webb Space Telescope released some of the first images from 
the much-anticipated observatory on Friday (Feb. 11). The main photo, which doesn't
 even hint at the power Webb will bring to the universe once it's fully operational,
 shows a star called HD 84406

The James Webb Space Telescope has beamed imagery from Lagrange Point 2 (L2)
 of the first star it has imaged and a 'selfie' of its primary mirror.
  Full Story: from space.com

Credit: NASA's Goddard Space Flight Center

Michael McClare (KBRwyle): Lead Producer
Adriana Manrique Gutierrez (KBRwyle): Lead Animator
Jonathan North (KBRwyle): Animator
Michael McClare (KBRwyle): Lead Writer
Michael McClare (KBRwyle): Lead Videographer
Michael McClare (KBRwyle): Lead Editor
Michael McClare (KBRwyle): Lead Motion Graphics

The James Webb Space Telescope finished the first major stage in its long process
 of aligning the observatory's 18-segmented primary mirror.

A single star that the observatory looked at was deliberately rendered 18 times
 into a hexagonal shape. Eventually, those 18 images will perfectly align into a single,
 sharp focus, but the interim result portrays a star repeated perfectly in a
 hexagonal pattern reminiscent of a stunning celestial snowflake.

"The resulting image shows that the team has moved each of Webb’s 18 primary mirror segments
 to bring 18 unfocused copies of a single star into a planned hexagonal formation," 
 NASA officials wrote in a blog post Friday (Feb. 18, 2022).

It’s coming together! Engineers for the James Webb Space Telescope have now completed two more phases
 of the seven-step, three-month-long mirror alignment process. This week, the team made more 
 adjustments to the mirror segments along with updating the alignment of its secondary mirror.
 These refinements allowed for all 18 mirror segments to work together — for the first time 
 — to produce one unified image.

Before and after Segment alignment. 
Credit: NASA/STScI

WST primary mirror size compared to the Hubble Space Telescope. 
Credit: NASA

If the phrase “My god, it’s full of stars” was ever appropriate, it’s today, because of these new images 
from the James Webb Space Telescope. These are ‘just’ engineering images, mind you, but they are incredible.
 The number of stars and galaxies visible in each image is just remarkable, not to mention the crisp clarity in the fields of view.

Information on JWST ENGINEERING IMAGES this is the directory you can download them.

It is official, alignment of NASA’s James Webb Space Telescope is now complete. The alignment of the telescope across all of Webb’s instruments can be seen in a series of images that captures the observatory’s full field of view.
 
Featured in this video are engineering images demonstrating the sharp focus of each instrument.
 For this test, Webb pointed at part of the Large Magellanic Cloud, a small satellite galaxy of the Milky Way,
 providing a dense field of hundreds of thousands of stars across all the observatory’s sensors.
 The sizes and positions of the images shown depict the relative arrangement of each of Webb’s instruments
 in the telescope’s focal plane, each pointing at a slightly offset part of the sky relative to one another.
 Webb’s three imaging instruments are NIRCam (images shown here at a wavelength of 2 microns),
 NIRISS (image shown here at 1.5 microns), and MIRI (shown at 7.7 microns, a longer wavelength 
 revealing emission from interstellar clouds as well as starlight). NIRSpec is a spectrograph 
 rather than imager but can take images, such as the 1.1 micron image shown here, for calibrations 
 and target acquisition. The dark regions visible in parts of the NIRSpec data are due to structures
 of its microshutter array, which has several hundred thousand controllable shutters that can be 
 opened or shut to select which light is sent into the spectrograph. Lastly, Webb’s Fine Guidance
 Sensor tracks guide stars to point the observatory accurately and precisely; its two sensors are
 not generally used for scientific imaging but can take calibration images such as those shown here.
 This image data is used not just to assess image sharpness but also to precisely measure and
 calibrate subtle image distortions and alignments between the instrument sensors as part of 
 Webb’s overall instrument calibration process.

Credit: NASA's Goddard Space Flight Center

Michael McClare (KBRwyle): Lead Producer
Sophia Roberts (AIMM): Editor
Michael McClare (KBRwyle): Videographer
Michael P. Menzel (AIMM): Videographer
Adriana Manrique Gutierrez (KBRwyle): Animator
Please give credit for this item to:
NASA's Goddard Space Flight Center

Music Credit: Cyclic Marimba by Eric Chevalier - Koka Media

Engineering images of sharply focused stars in the field of view of each instrument demonstrate 
that the telescope is fully aligned and in focus.

MAY 9, 2022 BY NANCY ATKINSON
The James Webb Space Telescope is now in the final phase of commissioning as it readies for science observations.
 Of the more than 1,000 milestones the observatory has needed to reach since launch to become fully operational, 
 the team said today they are down to about two hundred activities to go. But those 200 are all part of the final
 phase of commissioning the instruments.

Parts of JWST. Credit: NASA

A portion of the Large Magellanic Cloud as seen by Spitzer and now JWST. 
Credit: NASA/JPL-Caltech (left), NASA/ESA/CSA/STScI (right)

By now, almost everyone has seen the first-release images from JWST and marveled at these amazing views 
of the infrared universe the telescope was launched to explore. The view of SMACS 0723 seen above
 illustrates the promise JWST holds. While there are many more early-release images in the observation pipeline,
 we’re starting to see the first research papers come out. As expected, studies of distant galaxies are grabbing headlines already.

GL-z13 is a galaxy in the early universe that appears as seen by JWST when the universe was only a few hundred million years old.
 Courtesy: NASA, ESA, CSA, STScI

James Webb's first images! 
Credit: NASA/ESA/CSA/STScI

NASA finally released James Webb's first full-color images. We have 5 great photos of different regions of space.
 So, in this video we're digesting all the great pictures we got from JWST.

00:00 - Intro
00:49 - Deep Field
04:37 - Exoplanet
07:26 - Stellar Death
10:12 - Galaxy
12:12 - Stellar Birth
14:27 - Outro

 More about the first JWST images:

The Big Q: JWST 

Interview with Noble Prize Laureate John Mather 

 Interview with Dr. Klaus Pontoppidan
 Interview with Lee Feinberg, Optical Telescope Manager
 Interview with Lee Feinberg, Optical Telescope Manager


Host: Fraser Cain
Producer: Anton Pozdnyakov
Editing: Artem Pozdnyakov
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Deep Field Galaxy cluster SMACS J0723.3-7327, imaged by Hubble (left) and the JWST (right).
 Credit: NASA/ESA/CSA/STScI

Stephan’s Quintet, as imaged by Hubble (left) and the JWST (right).
 Credit: NASA/ESA/CSA/STScI

The “Cosmic Cliffs” feature in the Carina Nebula, as imaged by Hubble (top) and the JWST (bottom).
 Credit: NASA/ESA/CSA/STScI

The Southern Ring Nebula in near-infrared light (left) and mid-infrared light (right) from NASA’s James Webb Space Telescope.
 Credit: NASA/ESA/CSA/STScI

WASP-96b
A transmission spectrum based on data acquired by Webb’s Near-Infrared Imager and Slitless Spectrograph (NIRISS).
 Credit: NASA, ESA, CSA, STScI

Artist conception of the James Webb Space Telescope. 
Credit: NASA GSFC/CIL/Adriana Manrique Gutierrez

It's already been one year of JWST operations. In this episode we accumulated
 all the major science results, all the amazing images and graphs,
 all the important discoveries and controversies.
 Enjoy the ULTIMATE GUIDE to the first year of James Webb. 
 
🦄 Support us on Patreon:


📚 Suggest books in the book club:
 
 Scientist's Perspective on Webb's First Year   
 
Universe-Breaking Galaxies Interview   
   
JWST and the Future of Telescopes:

Image Processing with Judy Schmidt   
  
John Mather Explains JWST 

00:00 Intro
01:34 Amazing Images
13:52 Early Universe
22:26 Exoplanets
29:10 Solar System
36:32 Problems
39:24 What's Next

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