The first showcase images from the $10 billion telescope will be unveiled in July, after instrument checkout is complete.
, engineers have achieved near-perfect alignment of its complex optical system, setting the stage for final instrument calibrations and the release of the first showcase science images in July, officials said Monday.
Two images of the same star field in the Large Magellanic Cloud, a small satellite galaxy of the Milky Way. The photo on the left is from NASA's now-retired Spitzer Space Telescope while the one on the right is from the James Webb Space Telescope. Spitzer, equipped with a single 3-foot-wide primary mirror, was the largest infrared telescope launched prior to Webb. For comparison, Webb's segmented mirror measures 21.5-feet across.
"It's not until you actually see the kind of image that it delivers that you really internalize and go, wow! Just think of what we're going to learn! Spitzer taught us a lot, but this is like a whole new world. Just unbelievably beautiful." The list of potential targets is a closely held secret, but NASA plans to unveil the selected ERO images and spectra in mid July.
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