fundamental star
nounAstronomy.
one of a number of stars with positions that have been determined accurately and that are used as reference stars for the determination of positions of other celestial objects.
Words Nearby fundamental star
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use fundamental star in a sentence
He introduced new methods for determining the position of the equinox and the right ascension of a fundamental star.
History of Astronomy | George Forbes
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