Palovaikutus
Palovaikutus is a Finnish term that literally translates to "afterglow" in English. It refers to the lingering visual or perceptual effect that remains after the initial stimulus has ceased. The concept is used across several disciplines, including astronomy, photography, color theory, and psychology, each emphasizing slightly different aspects of the phenomenon.
In astronomy and astrophysics, palovaikutus describes the faint glow that remains visible in the aftermath of
Color theory also makes use of the term to explain how a color can retain vibrancy after
The word combines the Finnish components "pallo" (ball or sphere, often implying a luminous sphere) and "vaikutus"