angular measure
measure for how wide an angle is
longitude of the ascending node
one of the orbital elements used to specify the orbit of an object in space
critical angle
angle of incidence above which total internal reflection occurs
tilt
camera movement
phase shift
difference between phase angles
polar angle
angle in the polar coordinate system in the range −π < θ ≤ π
polar angle
angle in the spherical coordinate system in the range 0 < θ < π
parallax
difference in the apparent position of an object viewed along two different lines of sight
angular diameter
angular measurement describing how large a sphere or circle appears from a given point of view
zenith angle
angle between a point and zenith
pitch angle
angle
mean anomaly
one of the orbital elements used to specify the orbit of an object in space
wind direction
geographic direction from which a wind blows
declination
astronomical coordinate
elongation
in astronomy, angular separation between the Sun and a planet, with the Earth as a reference point
hour angle
unit of angle
angle of incidence
angle between a ray incident on a surface and the line perpendicular to the surface at the point of incidence
phase angle
angle between incident and reflected light in astronomy
Bragg angle
in X-ray crystallography, angle between lattice plane and scattered ray
right ascension
astronomical equivalent of longitude
Brewster's angle
angle of incidence for which all reflected light will be polarized
position angle
measurement relating to observed visual binary stars
heading
compass direction in which a vehicle's bow or nose is pointed
angle of attack
angle between the chord of a wing and the undisturbed airflow
phase angle
angular measure of the phase of a complex number
yaw
rotation of a vehicle about the vertical axis
angular displacement
displacement measured angle-wise when a body is showing circular or rotational motion
orbital inclination
angle between a reference plane and the plane of an orbit
phase margin
Parameter of electronic amplifiers
loss angle
arcus tangent of the electric loss factor
phase difference
for two sinusoidal quantities, difference in their initial phase modulo 2 π