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The Spitzer Space Telescope

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The Spitzer Space Telescope
1. Introduction

The Hubble Space telescope has been Orbiting the Earth for over two decades, Hubble has helped to answer some of the most compelling astronomical questions of our time – and uncovered mysteries we never knew existed. Investigating everything from black holes to planets around other stars, Hubble has changed the face of astronomy, ushering in a new chapter of humanity’s exploration of the universe. Although named to honor astronomer Edwin Hubble, the telescope was championed by astronomer Lyman Spitzer. Launched in April of 1990 and poised for many more years of trailblazing science ranging from our own solar system to the edge of the observable universe, NASA’s Hubble Space Telescope is fulfilling the hopes astronomers have long held for a large, optically superb telescope orbiting above the Earth’s distorting atmosphere and providing uniquely clear and deep views of the cosmos. It is NASA’s one of the most well-known and versatile telescopes. It was carried by space shuttle during 1990. It was built with the collaboration of United States Space Agency, European Space agency, and Space Telescope Science Institute. The HST was set to launch in 1985 but its launch was delayed due to Challenger disaster. It was finally launched on April 25, 1990 on Space shuttle. Another great achievement was the image of Deep Field that revealed at least 1500 galaxies at various stages of development. During its 20 year operation it went under four servicing modules and is still in operation. Since Hubble was launched in 1990, its images have become some of the most iconic in the history of photography. Nasa says the telescope-should keep working until at least 2014, when it will be replaced by a more powerful observatory to be called the James Webb Space Telescope.

2. History of Telescopes

Human’s curiosity to know about the space is not new. During the early ages, humans gazed at the sky and wondered how it looks like outside the earth. This curiosity

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