The left wing of Webb’s primary mirror unfolded and locked into position on Saturday, in what was the final step of the major deployments phase. The space telescope finally looks like a telescope, but ...
The 18th and final primary mirror segment is installed on what will be the biggest and most powerful space telescope ever launched. The final mirror installation Wednesday at NASA’s Goddard Space ...
A high-speed dust-size micrometeoroid slammed into one of the James Webb Space Telescope's 18 primary mirror segments last month, causing a slight but noticeable effect on the segment's performance, ...
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