Meridian
contributor: AAS Frey.Katie
broader: Horizontal coordinate system
definition: An imaginary great circle on the celestial sphere that passes through its poles and the observer's zenith.
modified: 2020-11-10T19:24:32.358Z
modified: 2020-11-10T19:24:23.072Z
type: Concept

Horizontal coordinate system
type: Concept
narrower: Meridian