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Wednesday, June 6, 2012

Describe the Spitzer Telescope


About The Spitzer telescope is a reflector of lightweight Witchery-Chretien. Weighs less than 50 kg and is designed to operate at an extremely low temperature. The telescope has a hole of 85 cm in diameter. All parties except the support of the mirror are made of lightweight beryllium. Beryllium is a very strong material that works well in the construction of space telescopes infrared, because has a specific heat low to very low temperatures. The telescope is attached to the upper shell of the Crystal cooled by steam, which maintains the science instruments too cold.

The telescope's design philosophy is based on the following points:
Maximize the use of materials with a ratio of hardness / very high density, high thermal conductivity, specific heat and cryogenic low.
Build the entire telescope of the same material to prevent complications from thermal expansion, and make the telescope assembly as dimensionally stable as possible.
Select a configuration that minimizes the size of the major elements of the telescope assembly.
Exhaustively try the simplest design possible to minimize the number of parts, thereby reducing the time and cost of design, manufacture and integration.

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