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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| Aberration 1 |
An imperfection in the imaging properties of a lens or mirror. The main aberrations are chromatic aberration, spherical aberration, coma, astigmatism, curvature of the field and distortion.
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