zenith-angle effect

large zenith angle shower

satellite zenith angle

Solar zenith angle

view zenith angle

Viewing zenith angle

Zenith Angle

zenith-angle

zenith-angle distribution

zenith-angle variation

action-angle-angle transformation

acute angle effect

diversion angle effect

incident angle effect

phase angle {angle of phase difference}

sharp angle effect

the angle effect of color

splayed angle effect

angle bar [= angle]