NASA's new space telescope has opened its gold-plated, flower-shaped mirror, the largest and most sensitive ever launched.
Engineering teams at NASA's James Webb Space Telescope Mission Operations Center at the Space Telescope Science Institute in Baltimore monitor progress as the observatory's second primary mirror wing rotates into position, Saturday, Jan. 8, 2022. The last portion of the 21-foot mirror swung into place at flight controllers’ command, completing the unfolding of the James Webb Space Telescope _ the riskiest part of the mission.
The last portion of the 21-foot mirror swung into place at flight controllers’ command, completing the unfolding of the James Webb Space Telescope. More powerful than the Hubble Space Telescope, the $10 billion Webb will scan the cosmos for light streaming from the first stars and galaxies formed 13.7 billion years ago. To accomplish this, NASA had to outfit Webb with the biggest and most sensitive mirror ever launched — its “golden eye,” as scientists call it.
Flight controllers in Baltimore began opening the primary mirror Friday, unfolding the left side like a drop-leaf table. The mood was even more upbeat Saturday, with peppy music filling the control room as the right side snapped into place. After applauding, the controllers immediately got back to work, latching everything down.
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