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There are over 2500 satellites in orbit around the Earth
There are also over 10 000 man made objects orbiting around the Earth. These include a variety of pieces of satellite debris ranging from panels to disused equipment.
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Newest Article:
How To Use a Telescope - Reflector Telescopes An Introduction Posted By : John B Mayall |
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Telescopes are of two main types reflectors and refractors. The fundamental difference between both types is the kind of glasses used for light collection. Refractors use lenses while reflectors use mirrors. Going back to school physics, it is obvious th
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