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sidereal
01
relating to a system of time measurement based on the positions and movements of the stars
Grammatical Information
Composition
Simple
relational
ungradable
Examples
The satellite’s positioning was adjusted based on sidereal time to maintain its orbit.
02
relating to the stars or constellations, especially in terms of their positions relative to Earth
Examples
Sidereal time is based on the Earth's rotation relative to distant stars rather than the sun.
