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May 20, 1990: Hubble Opens Its Eye … and Blinks

1990: The Hubble Space Telescope sends its first image back to Earth. The new telescope’s imaging prowess clearly exceeded that of the best ground-based telescopes, as shown in the image above of stars...

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April 21, 1994: Our Solar System Is Not Alone

1994: News breaks that astronomer Alex Wolszczan has confirmed that planets are orbiting pulsar PSR B1257+12. His research appears in Science the next day. The confirmation kicked off an explosion in...

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Oct. 3, 1947: Birth of Palomar’s ‘Giant Eye’

After 13 years of grinding and polishing, the Palomar Observatory mirror is completed at Caltech. The post Oct. 3, 1947: Birth of Palomar’s ‘Giant Eye’ appeared first on This Day In Tech.

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