Unfolding the two side wings of the James Webb Space Telescope's golden primary mirror marks the last major task in assembling the observatory.
Team members will repeat the process on the right, or starboard, side of the observatory on Saturday . NASA has said it will broadcast the procedure live from mission control beginning around 9 a.m. EST .
Completing the full hexagon with the two panel deployments will mark the end of the major unfolding steps for the observatory after its. To mark the milestone, NASA has also said it will hold a news conference on Saturday around 1:30 p.m. EST . Fully deployed, the primary mirror will stretch 21 feet across. In the coming days, the JWST team will tweak the arrangement of the 18 individual mirror segments, each of which is controlled by seven actuators, according to a
provided by NASA. The team will continue adjusting the mirror segments throughout the five-month commissioning process, which will turn Webb's view from a patchwork of 18 frames into one smooth image.
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