Penumbra (disambiguation)

Penumbra (Latin for " penumbra ") stands for:

Penumbra ( sunspots ), areas within sunspots, which are darker than the rest of the solar surface
Penumbra (Medicine), the areas immediately adjacent to a cerebral infarction in the central zone of necrosis
Penumbra (band), a French death metal band
Penumbra (computer game ), a computer game Dilogie
Penumbra penumbra during a lunar eclipse
Penumbra ( Cognitive Psychology ), soft, fuzzy outline of a shadow, and thus one of the criteria that enable the visual system to the observed object, the distinction between shadows and dark spots