Space exploration began with the launch of Sputnik and Astrophysics was born as the application of physics to the phenomena observed by Astronomy, which etymologically means laws of the stars.
There are 2759 entries in this glossary.| Term | Definition |
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| Mcmath-Pierce Solar Telescope Facility |
A large solar observatory located at Kitt Peak and belonging to the US National Solar Observatory. The main telescope, completed in 1962, consists of a 1.6-metre 60-inch mirror, mounted on a tower, which directs the sunlight along a long light shaft inclined at 32° to the horizontal, much of which is below ground. A high-resolution image of the Sun 75 centimetres 30 inches in diameter is produced by this system. The entire building is encased in copper, and coolants are piped through the outer skin to maintain a uniform temperature inside.
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