Concept
Azimuth
Compass direction along the horizon.
Horizontal angular coordinate measured clockwise from north (or south, depending on convention) around the observer's horizon.
Overview
Horizontal angular coordinate measured clockwise from north (or south, depending on convention) around the observer's horizon.
See also
Altitude
Angle of an object above the horizon.
Radial Velocity
An object's velocity along the line of sight.
The Big Bang
How everything began, 13.8 billion years ago.
Black Holes
Regions where gravity stops light itself.
Dark Matter
The invisible mass holding galaxies together.
Dark Energy
The mysterious force accelerating the universe.