The image is from April 2020.
<p>What’s the best way to make a really powerful telescope? Build a big mirror! The James Webb Space Telescope has the largest mirror of its kind that NASA has ever built. So big that it can’t fit inside a rocket without folding up. In early March, testing teams deployed Webb’s  21 feet 4-inch (6.5 meter) primary mirror into the same configuration it will have when in space.
</p><p>Like the art of origami, Webb is a collection of movable parts that have been specifically designed to fold to a compact formation that is considerably smaller than when the observatory is fully deployed or extended. This allows it to just barely squeeze within a 16-foot (5-meter) payload fairing or cargo bay of a rocket, with little room to spare. Once in space, it will blossom and unfold into the world’s premier space science observatory.
</p><p>Read more: www.nasa.gov/feature/goddard/2020/nasa-s-james-webb-space...
</p><p>Image credit: Northrop Grumman
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James Webb Space Telescope
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