What Does ICRS Stand For?

ICRS stands for International Celestial Reference System

The International Celestial Reference System (ICRS) is a fundamental astronomical reference framework used for precise positioning and mapping of celestial objects. Established to provide a consistent and stable reference for the sky, the ICRS serves as the standard for celestial coordinates, enabling astronomers and researchers to accurately track the motions of stars, planets, and other celestial phenomena. It is crucial for astrometry, space navigation, and the study of the universe, facilitating uniformity in astronomical data across different observatories and disciplines.