In 1990, the United States launched something bold and brilliant into space — the Hubble Space Telescope, named for astronomer Edwin Hubble. Carried into orbit aboard the Space Shuttle Discovery , it was designed to be our eye in the sky, capturing jaw-dropping images of galaxies, nebulae, and the glittering secrets of the cosmos. But when Hubble opened that enormous, high-tech eye and began sending back photos, something was… off. The images were blurry — not just a little fuzzy, but...