In the summer months inside the Antarctic Circle,
there is a period where the sun never sets. Even outside of this
time, the sun only dips slightly below the horizon so it never really
gets dark, sunset fades but before it is gone sunrise begins.
Painting by Dr. E.A. Wilson -
In: "Scott's Last Expedition", 1913.
Robert Falcon Scott,
Terra Nova Expedition 1910 - 1913
Picture courtesy NOAA