Atmosphere layer graphical glitch #183

Description

When the camera line of sight is at certain angles (close to tangential to the surface) and at certain zoom levels, visual glitches in the atmosphere layer appear at the top of the globe (12 o' clock if globe is seen as a clock dial). The rest of the atmosphere appears without glitches.

Steps to Reproduce

1. Load any example with the Atmosphere Layer enabled.
2. Tilt the camera so the line of sight is tangential to the planet's surface.
3. Zoom in and out.

It can be seen in this capture:

Expected behavior:
Atmosphere look is consistent irrespective of view angle

Actual behavior:
Black graphical glitches appear

Reproduces how often:
100%

Operating System and Version

Windows 10, nVidia graphics hardware.