Book Review: “Infinite Worlds People & Places of Space Exploration” by Michael Soluri

Infinite Worlds - People & Places of Space Exploration: by Michael Soluri, Foreword by John Glenn. Cover image courtesy of Michael Soluri and Simon & Schuster.

Infinite Worlds – People & Places of Space Exploration: by Michael Soluri, Foreword by John Glenn. Cover image courtesy of Michael Soluri and Simon & Schuster.

On April 24, 1990, the Hubble Space Telescope was launched from Kennedy Space Center into low Earth orbit. Hubble was the first telescope designed to operate in space, so it was able to avoid interference from Earth’s atmosphere – an inconvenience that had limited astronomers since they first looked up to the skies. However, scientists quickly realized that something was wrong; the images were blurry. Despite being among the most precisely ground instruments ever made, the primary mirror in the Hubble was about 2,200 nanometers too flat at the perimeter (for reference, the width of a typical sheet of paper is about 100,000 nanometers). Luckily, there was a solution.
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© Tyler Simko for Universe Today, 2015. |
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