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James Webb passes critical mission review for 2021 launch, final testing nearing completion

James Webb passes critical mission review for 2021 launch, final testing nearing completion
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James Webb Space Telescope/MIRI

A full list of people from across the UK that are playing an active role in the JWST can be found on this page.
In March 2021 Space Telescope Science Institute (STScI) announced the selected JWST General Observer programs for Cycle 1. The selected proposals were prepared by more than 2,200 unique investigators from 41 countries, including 43 US states and territories, 19 ESA member states, and 4 Canadian provinces. More detailed information about the approved proposals can be found here.
Due to impacts from the ongoing Coronavirus (COVID-19) pandemic, as well as technical challenges the launch of the NASA/ESA/CSA James Webb Space Telescope on an Ariane 5 rocket from Europe’s Spaceport in French Guiana is now planned for 31 October 2021. This decision is based on a recently completed schedule risk assessment of the remaining integration and test activities prior to launch. Previously, JWST was targeted to launch in March 2021. ....

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James Webb Space Telescope/MIRI - Case study

Artist s rendering of the JWST observatory. Credit: NASA
Looking back in time
NASA’s James Webb Space Telescope (JWST) will look further back in time than any other telescope - to 400m years after the Big Bang. JWST is a collaboration between ESA, NASA and the Canadian Space Agency, due for launch in late 2021 as the replacement for the Hubble Space Telescope.
The four key goals of the JWST are:
to search for light from the first stars and galaxies that formed in the Universe after the Big Bang
to study the formation and evolution of galaxies
to understand the formation of stars and planetary systems ....

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James Webb Space Telescope: How does it work and what will it see?

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James Webb Space Telescope: How does it work and what will it see?
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Launch mass: 6,200kg
Expected first images: 2-3 months after launch
Collaborators: NASA, ESA and Canadian Space Agency
Mission duration: 5-10 years
The James Webb Space Telescope’s tech
1: Secondary mirror
2: Primary mirror
3: Sunshield
The size of a tennis court, it protects the telescope from light sources, such as the Sun.
1: ISIM
2: Spacecraft bus
3: Star trackers
4: High gain antenna
What will the JWST see?
The early Universe
The JWST will be able to look back to around 200 million years after the Big Bang, when the first stars in the Universe formed. ....

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James Webb Space Telescope: Inside the high-stakes testing of Hubble's £7.2bn successor

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James Webb Space Telescope: Inside the high-stakes testing of Hubbleâs Â£7.2bn successor
After nearly 20 years of development and 16 launch delays, the James Webb Space Telescope (JWST) is almost ready. Set to launch on 31 October 2021, the largest space observatory ever built is set to revolutionise our understanding of the cosmos and help solve some of the Universeâs greatest mysteries.
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It hasnât been an easy journey. First conceived 30 years ago as the successor to the Hubble Space Telescope, the âNext Generation Telescopeâ as the JWST was first known, has survived threats of cancellation, changes of leadership and numerous postponements. Expected to cost $10bn (Â£7.2bn approx), the JWST (named after NASAâs second administrator James E Webb) is the sixth most expensive space mission of all time. ....

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