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posted by mrpg on Thursday July 08 2021, @07:15AM   Printer-friendly

Posted on NASA Spaceflight, James Webb Space Telescope one step closer to launch.

The joint NASA/ESA/CSA James Webb Space Telescope (JWST) has passed its critical final mission analysis review — clearing the way for a late 2021 launch from the Guiana Space Centre in Kourou, French Guiana on an Arianespace Ariane 5 rocket.

With this review completed, Arianespace and JWST teams can now begin final launch preparations. With a launch readiness date of October 31, 2021, Webb will soon be transported to French Guiana where it will be mated with its designated Ariane 5 rocket.

The mission analysis review, carried out by Arianespace and ESA, confirms that all launch systems — such as the telescope, rocket, ground systems, and launch teams — are set for launch. The review also confirms that Webb itself and its flight plan are ready for the mission to begin.

“We are thrilled to have passed this important step towards the launch of Webb and to have received the green light from Arianespace and NASA,” says Peter Rumler. Rumler is the project manager for the JWST at ESA.

When the telescope launches, it will experience a wide range of forces, such as vibrations and temperature changes and radiation. Therefore, Arianespace performed technical evaluations on important milestones of the mission’s ascent for the review, such as the launch trajectory and separation of the telescope from the rocket’s upper stage.

About time, since Hubble may be dead.

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  • (Score: 3, Touché) by DannyB on Thursday July 08 2021, @04:21PM

    by DannyB (5839) Subscriber Badge on Thursday July 08 2021, @04:21PM (#1154007) Journal

    Wikipedia: James Webb Space Telescope - History []

    Early development work for a Hubble successor between 1989 and 1994 . . .

    In 1997, NASA worked with the Goddard Space Flight Center ... to conduct technical requirement and cost studies, and in 1999 selected Lockheed Martin ... and TRW for preliminary concept studies ... Launch was at that time planned for 2007 ...

    n 2003, NASA awarded the US$824.8 million prime contract for the NGST, now renamed the James Webb Space Telescope, to TRW.

    Will it still work by the time it is launched? How old will it be? Will it be needing service soon?

    Presumably everything is carefully reviewed before it is launched and they are considering the age of the flight article.

    I get constant rejection even though the compiler is supposed to accept constants.
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