Mar 162022

Enlarge / With better alignment, the test star has been joined by a whole host of background stars and galaxies. (credit: NASA/STScI)
Today, NASA announced that it has successfully completed two further steps to align the mirrors of the Webb telescope. The resulting performance indicates that Webb will meet or exceed its design goals. “So far, we’re finding that the performance is as good [as] or better than our most optimistic projections,” said Lee Feinberg, the Webb optical telescope element manager.
The announcement was accompanied by a spectacular image that showed a sharp focus on the target star and included many in-focus galaxies in the backdrop.
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The Webb telescope’s primary mirror is made…

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