riskkymät
Rysskymät is a Finnish term that translates to "Russian visibility" or "Russian twilight." It refers to a specific atmospheric phenomenon that occurs in the northern latitudes, particularly during the winter months. This phenomenon is characterized by a prolonged period of twilight that can last for several hours after sunset and before sunrise.
The extended twilight is caused by the angle of the sun relative to the horizon. In higher
The intensity and duration of rysskymät can vary depending on factors such as atmospheric conditions, cloud