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Deployment of the James Webb Space Telescope

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Uploaded on January 14, 2022

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Deployment of the James Webb Space Telescope

2022-01-14 – Since its launch on December 25, Webb has successfully completed many milestones: Webb released and deployed its solar array, which means the telescope went off battery power and began to use its own generated power. Webb had two planned mid-course correction burns. The 5-layer sunshield was fully deployed and tensioned. Webb's secondary mirror was deployed. Webb’s iconic primary mirror was unfolded.

(Credits: Canadian Space Agency, NASA)

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James Webb Space Telescope: stages of deployment

Solar array

Two mid-course correction burns

Forward Sunshield Pallet and Aft Sunshield Pallet
Aft Momentum Flap

Deployable Tower Assembly
5-layer sunshield

Secondary mirror

Primary mirror

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asc-csa.gc.ca

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