Similar to 合_(天文)

Angular distance

Angular diameter

Spherical astronomy

International Celestial Reference System and its realizations

Proper motion

Meridian (geography)

Parallax

Radial velocity

Opposition (astronomy)

Quadrant (instrument)

Astronomical nutation

True anomaly

Subsolar point

Stellar parallax

Prime vertical

Lahaina Noon

Elongation (astronomy)

Asterisk