galactic coordinate


nounAstronomy.
  1. Usually galactic coordinates . a member of a system of coordinates that define the position of a celestial body with reference to the Milky Way.

Origin of galactic coordinate

1
First recorded in 1930–35

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use galactic coordinate in a sentence

  • The galactic coordinates l and b are referred to the Milky Way (the Galaxy) as plane of reference.

    Lectures on Stellar Statistics | Carl Vilhelm Ludvig Charlier
  • It lies in the square GD7 and its galactic coordinates are seen in the 5th and 6th columns.

    Lectures on Stellar Statistics | Carl Vilhelm Ludvig Charlier