The Hubble Space Telescope, launched 35 years ago, initially faced a major setback due to flawed optics that impeded image quality. In December 1993, a servicing mission installed corrective optics and an upgraded wide-field camera, significantly enhancing Hubble's imaging capabilities. Notably, in late 1995, STScI director Robert Williams made a controversial choice to focus on deep-field imaging, producing the first Hubble Deep Field. This effort unveiled over 3000 galaxies, laying the groundwork for future deep-space explorations and advancements in our understanding of the universe.
Hubble's early images suffered from spherical aberration, a flaw that required a remarkable 1993 servicing mission to install corrective optics like COSTAR, dramatically enhancing its performance.
Director Robert Williams' bold decision to allocate time for deep imaging resulted in the first Hubble Deep Field, where over 3000 galaxies were captured, opening new frontiers in astronomy.
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