Aberration
From Wikipedia, the free encyclopedia
Aberration has several meanings:
- An abnormality of chromosomes
- A disorder in one's mental state (see Mental illness)
In optics:
- Optical aberration, an imperfection in image formation by an optical system
- Spherical aberration, which occurs when light rays strike a lens or mirror near its edge
- Chromatic aberration, caused by differences in refractive index for different wavelengths of light
- Defocus aberration, which occurs when a system is out of focus
In relativity:
- Aberration of light, an astronomical phenomenon which produces an apparent motion of celestial objects
- Relativistic aberration, aberration of light relating to near light speeds
In entertainment:
- Aberration (Dungeons & Dragons), a creature type in the role-playing game
- Aberration (film), the horror movie
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