The Digital Press

The galactic coordinate system is a celestial coordinate system centered on the Sun that maps positions relative to the Milky Way Galaxy’s center and plane using spherical coordinates.

Why it matters: It provides a standardized framework for locating objects in our galaxy, essential for astronomy and galactic studies.

The big picture: Defined by the IAU in 1958, it aligns with the Milky Way’s structure, facilitating consistent mapping across epochs.

Quick takeaway: Galactic longitude measures eastward angle from the Galactic Center; latitude measures angle above or below the galactic plane.

Commenters say: Readers appreciate the detailed explanation and historical context, noting its importance in understanding galactic structure and coordinate conversions.