ESA Science & Technology - Journal Archive
In the last year, the James Webb Space Telescope (JWST) and in particular the telescope and the instruments have passed some key milestones on their road towards launch, now planned for 2020.
Published: 4 June 2018
As the James Webb Space Telescope progresses toward launch, the telescope and its scientific instruments are undergoing an arduous series of checks to ensure their flight readiness.
Published: 18 October 2017
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...
Published: 16 June 2017
In the second half of 2016, the James Webb Space Telescope (JWST) was readied for an intensive series of environmental tests, an essential step in ensuring that it will survive the stresses of launch and complete its groundbreaking survey of the infrared sky.
Published: 21 December 2016
With less than two years remaining before its scheduled launch, the James Webb Space Telescope (JWST) has passed several major milestones, including the completion of its huge primary mirror and integration of its four science instruments with the payload module.
Published: 21 December 2016
After being tested at extremely low temperatures for more than two months, the four instruments of the James Webb Space Telescope are preparing to come in from the cold.
Published: 2 February 2016
The past two months have seen a team of engineers engaged in the intricate activity of replacing key components of the Near InfraRed Spectrograph (NIRSpec) on the James Webb Space Telescope. The instrument is now ready for the next series of extensive environmental tests devised to ensure that JWST's instruments can withstand the stresses and...
Published: 25 February 2015
A major milestone was reached for the James Webb Space Telescope (JWST) in the summer of 2014 when all four instruments, installed on the Integrated Science Instrument Module, completed cryogenic testing at NASA's Goddard Space Flight Center (GSFC).
Published: 24 February 2015
An important milestone for the James Webb Space Telescope (JWST) was passed on 25 March with the installation of the Near InfraRed Spectrograph (NIRSpec) on the Integrated Science Instrument Module (ISIM) at NASA's Goddard Space Flight Centre.
Published: 4 April 2014
The Near InfraRed Spectrograph (NIRSpec) on the James Webb Space Telescope (JWST) is being installed on the Integrated Science Instrument Module (ISIM) at Goddard in preparation for an extensive series of tests with the full instrument complement. In addition, new detectors have been selected for NIRSpec, to be installed later this year.
Published: 5 February 2014
The Mid-Infrared Instrument (MIRI) on JWST has performed beautifully during its first cryo-vacuum test campaign carried out at NASA's Goddard Space Flight Center towards the end of last year. An examination of data recorded during those tests confirms that the instrument is in good health and performing well.
Published: 3 February 2014
The Near-Infrared Spectrograph (NIRSpec), contributed by ESA to the James Webb Space Telescope (JWST), has arrived at NASA's Goddard Space Flight Center.
Published: 30 September 2013
In this second entry of the JWST MIRI and NIRSpec integration and test journal, we catch up with NIRSpec - the Near InfraRed Spectrograph, before it departs Europe for NASA's Goddard Space Flight Center (GSFC).
Published: 7 August 2013
This is the first entry of the JWST MIRI and NIRSpec integration and test journal. This series of articles will provide a behind-the-scenes look at how the Mid-Infrared Instrument (MIRI; provided by a European Consortium) and the Near-Infrared Spectrograph (NIRSpec; provided by ESA), are being prepared for launch and operation in space.
Published: 8 July 2013
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