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NASA announced Friday that it completed another step in its alignment process of the new James Webb Space Telescope, bringing its test images more into focus.
The space agency said it completed the second and third of a seven-phase process to bring the telescope's 18 mirrors into proper alignment. NASA said it will now begin making smaller adjustments to the mirrors to make images even NASA announced Friday that it completed another step in its alignment process of the new James Webb Space Telescope, bringing its test images more into focus.
The space agency said it completed the second and third of a seven-phase process to bring the telescope's 18 mirrors into proper alignment. NASA said it will now begin making smaller adjustments to the mirrors to make images even more in focus.
The first image released earlier this month featured a star in the Big Dipper known as HD 84406. Though it was just a single star, because the 18 mirrors are out of alignment, it showed up in the image as 18 separate points of light.
After an initial adjustment, those 18 points of light moved into a hexagonal shape.
The newest adjustments made Friday, known as the segment alignment and image stacking, scientists were able to stack each of the 18 points of light onto one another to create a unified image of a star -- albeit a fuzzy one.
"We still have work to do, but we are increasingly pleased with the results we're seeing," said Lee Feinberg, optical telescope element manager for Webb at NASA's Goddard Space Flight Center. "Years of planning and testing are paying dividends, and the team could not be more excited to see what the next few weeks and months bring."
NASA said that despite the now-unified image, the 18 mirrors are still acting as 18 small telescopes rather than a single large one. Future adjustments will make the point of light progressively sharper and more focused.
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