Meaning Of The Word Coelostat

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Coelostat Meaning

Coelostat Definition
Coelostat Definition

What's The Definition Of Coelostat?

coelostat in American English
an optical system, used with a fixed telescope, consisting of two mirrors with a moving mirror mounted on an axis parallel to the earth's axis of rotation and driven by clockwork so as to reflect the same portion of the sky continuously or to track the su
noun: an apparatus consisting of a mirror driven by clockwork, used to enable a fixed telescope to keep the same area of sky in its field of view by compensating for the apparent rotation of the celestial sphere

coelostat in British English
noun: an astronomical instrument consisting of a plane mirror mounted parallel to the earth's axis and rotated about this axis once every two days so that light from a celestial body, esp the sun, is reflected onto a second mirror, which reflects the beam into

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