This calls attention to the viewer's own darker zones of fantasy and desire.

Often with a darker zone around the margin as it dries.

On one side lay the dark red overlapping zone, on the other the luminous mass of stars.

Scanning Zero: the normally invisible "dark zone" appears on the map.

The most distinctive aspect of the Moon is the contrast between its bright and dark zones.

They had reached the dark zone where the sub's external sensors began to pick up the flickering lights.

As a result, the area had no ground water since previous five years and was officially declared a "dark zone".

Each germinal center has two parts, a dark zone and a light zone.

No one knows what causes such rapid mutation in the dark zone or why it occurs.

The middle of the first dark zone is when the shift is equal to p/2.