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After being deployed, astronomers immediately found out that the telescope could not be focused. They found the problem and discovered that the primary mirror had been ground to a wrong dimension at the Perker-Elmer Corporation's factory. Although the defect in the mirror was less than one-fifth the size of a human hair, it was enough for the Hubble Telescope to suffer from
spherical aberration, light reflected from the mirror's edge gets focused to a slightly different point than light reflected from the center, and produce fuzzy, unclear images. Scientists came up with a solution to correct the defect in which they came up with a replacement "contact" lens called COSTAR...
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Common topics in this essay:
- Edwin Hubble
- hubble telescope
- Edwin Hubble
- Edwin Hubble
- Galileo And The Telescope
- The Telescope
- Edwin Hubble
- Galileo's Refracting Telescope
- Newton's Reflecting Telescope
- Telescope and Astronomy
- The Hubble Deep Field
- The Man Behind Hubble
- Hubble Space Telescope
- Hubble Space Telescope
- hubble telescope
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