Author Topic: NASA - James Webb Space Telescope - Discussion and Updates  (Read 165310 times)

Offline mmonty

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Re: NASA - James Webb Space Telescope - Discussion and Updates
« Reply #500 on: 05/08/2017 12:05 PM »
My guess is that they moved it at 3 AM Saturday morning. They close part of I-495 when they do these big moves, and that's the best time to do it.

I hope we get some photos of the move.

It left Goddard overnight Wednesday into Thursday (3 - 4 May).

Online Targeteer

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Re: NASA - James Webb Space Telescope - Discussion and Updates
« Reply #501 on: 05/11/2017 09:11 PM »
Presumable this is one of the two C-5Cs correct? 
Best quote heard during an inspection, "I was unaware that I was the only one who was aware."

Offline catdlr

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Re: NASA - James Webb Space Telescope - Discussion and Updates
« Reply #502 on: 05/12/2017 11:40 PM »
JWST mission preparations

European Space Agency, ESA
Published on May 12, 2017


In October 2018 a European rocket will launch the largest astronomical space telescope ever built. The James Webb Space Telescope (JWST), is an international collaboration between NASA, ESA and the Canadian Space Agency (CSA). It will use infrared light to study the birth and evolution of planets, stars and galaxies throughout our cosmic history, advancing our understanding of the Universe.

JWST represents the next step for visible and infrared space astronomy after the Hubble Space Telescope, launched in 1990, first opened new doors into our Universe. NASA, ESA and CSA have teamed up to build this extraordinary piece of science engineering.

Expectations are high as the telescope and its instruments have recently finished integration and testing at NASA’s Goddard Space Flight Center.

Since filming this video, JWST has been shipped to NASA's Johnson Space Center in Houston for further testing.

https://www.youtube.com/watch?v=_R733CRJkuo?t=001

Tony De La Rosa

Offline Nomadd

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Re: NASA - James Webb Space Telescope - Discussion and Updates
« Reply #503 on: 05/13/2017 02:07 AM »
Presumable this is one of the two C-5Cs correct? 

Are they still designated as 5Cs or have they been updated to 5M standard?


I think one was upgraded to M a couple of years ago. It seems like I remember a story about it getting noise/vibration measured after the upgrade.
 The other one might be in upgrade now.
« Last Edit: 05/13/2017 02:13 AM by Nomadd »

Offline Blackstar

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Re: NASA - James Webb Space Telescope - Discussion and Updates
« Reply #504 on: 05/13/2017 02:51 AM »
Wikipedia says that the two C-5Cs were 68-213 and 68-216. The tail number here is 213. (USAF aircraft serial numbers start with the year that the aircraft was ordered, so they were both ordered in 1968 but probably delivered a year or two later.)

According to the same Wiki entry, their new designation is C-5M (SCM) for "Space Cargo Modified."

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Re: NASA - James Webb Space Telescope - Discussion and Updates
« Reply #505 on: 05/13/2017 04:03 AM »
Presumable this is one of the two C-5Cs correct? 

Are they still designated as 5Cs or have they been updated to 5M standard?



They are the only two C-5A's (originally, redesignated C's after the satellite related mods) upgraded with new engines.  50 B models received the upgrades and all the other A's are headed to the boneyard.

Thanks for all the responses.   I was curious if that shipping container required the modified birds...
Best quote heard during an inspection, "I was unaware that I was the only one who was aware."

Offline Blackstar

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Re: NASA - James Webb Space Telescope - Discussion and Updates
« Reply #506 on: 05/13/2017 11:41 PM »
I was curious if that shipping container required the modified birds...

You can see inside the fuselage of that C-5 that it is open all the way to the top. There's no upper deck. If you look into the fuselage of a regular C-5, you can see a flat roof that is the floor of the upper deck.

Offline joncz

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Re: NASA - James Webb Space Telescope - Discussion and Updates
« Reply #507 on: 05/15/2017 10:14 AM »
(USAF aircraft serial numbers start with the year that the aircraft was ordered, so they were both ordered in 1968 but probably delivered a year or two later.)

I believe that's the fiscal year, not calendar year, as well.  So 68- SN's could have been ordered any time from 1 OCT 68 to 30 SEP 69.

« Last Edit: 05/15/2017 10:14 AM by joncz »

Offline Blackstar

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Re: NASA - James Webb Space Telescope - Discussion and Updates
« Reply #508 on: 05/15/2017 05:01 PM »
(USAF aircraft serial numbers start with the year that the aircraft was ordered, so they were both ordered in 1968 but probably delivered a year or two later.)

I believe that's the fiscal year, not calendar year, as well.  So 68- SN's could have been ordered any time from 1 OCT 68 to 30 SEP 69.

No, the fiscal year ends on the last day of September. However, prior to 1976, the fiscal year began on 1 July and ended on 30 June.



Offline catdlr

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Re: NASA - James Webb Space Telescope - Discussion and Updates
« Reply #509 on: 05/26/2017 01:04 AM »
James Webb Space Telescope Acoustic Testing

James Webb Space Telescope (JWST)
Published on May 25, 2017
SUBSCRIBED 19K

A throwback to March, when we performed acoustic testing on the James Webb Space Telescope at NASA Goddard.  Because rockets are loud and vibrate a lot, we simulate the effect that will have on a spacecraft, to be sure it will survive the ride to space.  We did vibration tests first - but we also did acoustic tests, where Webb was blasted with sound.  Learn more with this video.

Credit: NASA Goddard Space Flight Center.

The video has no audio narration.

https://www.youtube.com/watch?v=2ru_UfJmvIo?t=001

Tony De La Rosa

Offline Jim

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Re: NASA - James Webb Space Telescope - Discussion and Updates
« Reply #510 on: 05/26/2017 12:40 PM »
Presumable this is one of the two C-5Cs correct? 

Are they still designated as 5Cs or have they been updated to 5M standard?



They are the only two C-5A's (originally, redesignated C's after the satellite related mods) upgraded with new engines.  50 B models received the upgrades and all the other A's are headed to the boneyard.

Thanks for all the responses.   I was curious if that shipping container required the modified birds...

The container is called STTARS (Space Telescope Transporter for Air Road and Sea)

Offline catdlr

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Re: NASA - James Webb Space Telescope - Discussion and Updates
« Reply #511 on: 06/01/2017 04:49 AM »
Webb Moves to Johnson Space Center

NASA Goddard
Published on May 31, 2017
SUBSCRIBED 385K

May 2017 marked the end of an era for NASA’s Goddard Space Flight Center because the James Webb Space Telescope has moved to NASA’s Johnson Space Center in Houston, TX.

Webb has been at Goddard in some form for 21 years. And with the completion of the acoustic, vibration and center of curvature tests, the telescope part of the Webb spacecraft was finally ready for the next big test - the cryogenic vacuum test in the Apollo-made-famous Chamber A.

Transporting Webb is a carefully choreographed dance. For the move to Johnson, the telescope was placed into a climate-controlled container called STTARS (Space Telescope Transporter for Air Road and Sea). A truck then slowly moved the large container during the night to Joint Base Andrews where it was loaded into a C-5 cargo airplane. The container is so tall that some power lines and traffic lights were moved.

After a flight to Ellington Field in Houston, Texas, Webb was driven to Johnson.

Webb was unpacked in Houston's Chamber A clean room and preparation for testing commenced.

Credit: NASA’s Goddard Space Flight Center/Sophia Roberts

https://www.youtube.com/watch?v=t6eGygs0gLU?t=001



Tony De La Rosa

Offline bolun

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Re: NASA - James Webb Space Telescope - Discussion and Updates
« Reply #512 on: 06/16/2017 08:06 PM »
http://sci.esa.int/jwst/59233-12-testing-times-for-jwst/

#12: Testing times for JWST

Quote
The journey to launch for the James Webb Space Telescope (JWST) is – literally – a testing time for the groundbreaking observatory. After demonstrating that it can come through the ordeal of vibrations and loud sounds associated with a launch, the telescope and its instruments have now been moved to Houston, Texas, for a final three-month test campaign in frigid, sub-zero temperatures.

Quote
In November, JWST will be sent to Northrop Grumman Aerospace Systems in Redondo Beach, California, for final assembly and testing with the spacecraft bus and sunshield, prior to launch in 2018 from the Europe's spaceport in Kourou, French Guiana.

Meanwhile, in parallel with this testing, teams of astronomers located across the United States, Canada, and Europe have started to write proposals for scientific observations that will take place with JWST in 2019, once the observatory has reached its final orbit and is ready for science.

The selection of the proposals will be a highly competitive process, similar to the one in place for the Hubble Space Telescope. Currently, the JWST teams are working hard to make sure the scientific community is ready to use JWST. One example is a dedicated workshop that will take place at the European Space Astronomy Centre (ESAC), Spain, in October 2017.

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