General astronomy

General astronomy

Industry: Astronomy

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General astronomy

adaptive optics

Astronomy; General astronomy

Compensating for atmospheric distortions in a wavefront by high-speed changes in the shape of a small, thin mirror.

The slow rotation of the major axis of a planet's orbit in the same direction as the revolution of the planet itself, due to gravitational interactions with other planets and/or other effects (such ...

alpha-process

Astronomy; General astronomy

A hypothetical process of nucleosynthesis, which consisted of redistributing α-particles in the region from neon 20 to iron 56 (and perhaps slightly higher). The α-process has been replaced by ...

amount-of-substance concentration unit

Astronomy; General astronomy

mole per cubic meter

ampere (A)

Astronomy; General astronomy

1) Unit of electric current. "The ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 meter ...

altazimuth telescope

Astronomy; General astronomy

A form of mounting similar to that of a radar which allows the telescope tube to be moved horizontally (by rotation in azimuth or compass direction) and vertically (by rotation in altitude or ...