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Gaia QM deployable sunshield set-up in the LSS

Gaia QM deployable sunshield set-up in the LSS

Date: 17 July 2009
Satellite: Gaia
Depicts: Deployable sunshield QM inside the Large Space Simulator
Location: ESTEC, Noordwijk, The Netherlands
Copyright: ESA

On 11 July the qualification model (QM) of Gaia's deployable sunshield was installed inside the Large Space Simulator (LSS) at ESTEC. Over the next days the set-up was finalized for the upcoming thermal vacuum/thermal balance (TV/TB) test, which is performed inside the LSS under simulated space conditions.

This overhead view of the test set-up in the LSS main vacuum chamber shows the QM sunshield in stowed configuration during the test preparations. The gold-coloured foil is the Sun-side MLI blanket of the sunshield.

Also visible are the three masts of the zero-g kit (used to simulate weightlessness) that stand next to the assembly, with the three panels of the QM sunshield each attached to a pulley and counterweight system on the masts.

The LSS chamber was closed on 20 July for the start of the TV/TB test.

Last Update: 1 September 2019
5-Oct-2023 01:37 UT

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