| A | B |
|---|---|
| A star’s galactic, ecliptic, and equatorial coordinates, as projected on the celestial sphere. Ecliptic and equatorial coordinates share the March equinox as the primary direction, and galactic coordinates are referred to the galactic center. The origin of coordinates (the “center of the sphere”) is ambiguous; see celestial sphere for more information. | … |
Orientation of astronomical coordinates
(echo:: @ ᯤ)