Absolute Coordinate System
From ExoDictionary
Absolute Coordinate System
- An inertial coordinate system which is fixed with respect to the stars.
- While in theory, no absolute coordinate system can be established because the reference stars are themselves in motion, in practice, such a system can be established to meet the demands of the problem concerned by the selection of appropriate reference stars.
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use