1981 - The company Perkin-Elmer mirror finishes construction of the Space Telescope. However, the c

The Hubble Space Telescope is the largest optical telescope in Earth orbit. Have a mirror with 2.4m in diameter, and the fact of being above the atmosphere, about 600 km altitude, ulterior motive has allowed obtaining spectacular images, many with details never before seen. Launched in 1990, Hubble has seen his optical system to be repaired in 1993 by a team of the Space Shuttle specially trained for the purpose. Since then, the Hubble has performed numerous discoveries, ulterior motive such as new estimates for the age and composition of the universe, new galaxies, evidence of the existence of black holes, new proto-planetary systems and new star formation. NASA plans to launch, circa 2007, follower of the Hubble, the Next Generation Space Telescope (NGST).
1969 - Coordinator by Spitzer, the Ad Hoc Committee of the Large Space Telescope formally asked NASA to develop an orbital telescope, in an article called "Scientific Uses of the Large Space Telescope."
1977 - The U.S. Congress approved funding for the construction of the Space Telescope. NASA hires the company Perkin-Elmer to fabricate optical systems. Lockheed wins the bid to manufacture the body of the telescope.
1981 - The company Perkin-Elmer mirror finishes construction of the Space Telescope. However, the company makes a mistake, it would only be detected after the telescope had been released, which causes ulterior motive the distorted mirror images.
1990-24 the April-The space shuttle Discovery put the Hubble Space Telescope into orbit. To general disappointment, the first images come out all blurry. Only then did scientists discover that the mirror was manufactured by Perkin-Elmer with a spherical aberration.
1993 - The space shuttle Endeavour ulterior motive astronauts install lenses that correct the problem of spherical aberration. The Wide Field and Planetary Camera ulterior motive 2 cameras are installed. Hubble's computers are updated and solar panels are replaced by new ones.
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