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A faint X-ray flash exposed the instant a dying star's shock wave broke through its surface. What followed looked like a familiar cosmic blast with one major piece missing.
Thirteen years of telescope exposures have become a 5.6-trillion-pixel map covering roughly three-quarters of the sky. Nearly four billion objects are now open for anyone to inspect.
Webb's infrared view of the Lion Nebula shows a dead star erasing dust while dense clumps shelter material behind them. The celestial face is still changing.