What does sidereal mean?
Relating to the stars or the period of time between two consecutive passages of a celestial body through a particular point in the sky. Used to describe something that is related to the stars or the night sky.
Example
"The sidereal time was used to calculate the exact position of the planet in the sky."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.