A super-sharp image of a bright star — released by NASA — shows that the optics seem to be working perfectly on the James Webb Space Telescope.
The $10 billion infrared telescope launched in December after decades of development and construction, and thrilled astronomers when it successfully unfolded itself out in space.
Now scientists say that its 18 separate mirror segments have been precisely aligned so that they can act as one giant mirror that’s about 21 feet across.
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