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Hubble Space Telescope
Beginning of essay
The is one of the worlds most powerful earth-orbiting reflecting telescopes. With its capability of producing images from any wavelength, the HST is the eyes of the universe for scientists on earth.
The HST has a capability of operating at any wavelength from a near infrared level to a visible ra ....
Middle of essay
....s was finally installed in 1993 and compensated exactly for the improper curvature in the primary mirror.
In December 1999, another problem arose with the much needed replacement of gyroscopes and electronics to push the HST to its full capabilities. After its replacement, the HST was back producing stunning images of the universe.
Since the HST launch in 1990, the telescope has been carefully maintained and has been expanding its potential by installations of a near infrared camera, imaging spe.... |
| Number of words: 562 |
Approximate pages: 3 |
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