galactic longitude

nounAstronomy.

the angular distance in degrees measured eastward in the galactic plane from a radius drawn from the earth as center to the constellation Sagittarius.

Origin of galactic longitude

¹

First recorded in 1910–15

Words Nearby galactic longitude

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use galactic longitude in a sentence

The position of the stars is here generally given in galactic longitude (l) and latitude (b).
Lectures on Stellar Statistics | Carl Vilhelm Ludvig Charlier
The fourth column gives the galactic square, the fifth and sixth columns the galactic longitude and latitude.
Lectures on Stellar Statistics | Carl Vilhelm Ludvig Charlier

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