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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| Achromatic Lens Achromat |
A composite lens, made up of two elements of different kinds of glass, designed to reduce chromatic aberration.
See also: apochromat.
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