Concept
Altitude
Angle of an object above the horizon.
The angle of a celestial object above the horizon, ranging from 0° at the horizon to 90° at the zenith.
Overview
The angle of a celestial object above the horizon, ranging from 0° at the horizon to 90° at the zenith.
See also
Azimuth
Compass direction along the horizon.
Hour Angle
How long until/since an object crossed the meridian.
Parallax
Apparent shift of a nearby object against a distant background.
Radial Velocity
An object's velocity along the line of sight.
Apparent Magnitude
How bright an object looks from Earth.
Transit Method
Observational technique used to detect or characterize astronomical objects.