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Earth, Space, Strange

Video: Summer Sun Not Setting, Time Lapse

Here’s some true strangeness: In some places the sun does not set for months. Once you understand how the 23.45 degree tilt of our planet’s rotation causes the seasons and also the longest and shortest days of sunlight at different locations on Earth, it is not surprising that the summer sun never sets in some cities. Nevertheless, it feels very strange for most of us to see a non-sunset in action, as in this time lapse video:

The midnight sun is a natural phenomenon occurring in summer months at latitudes north and nearby to the south of the Arctic Circle, and south and nearby to the north of the Antarctic Circle where the sun remains visible at the local midnight. Given fair weather, the sun is visible for a continuous 24 hours, mostly north of the Arctic Circle and south of the Antarctic Circle. The number of days per year with potential midnight sun increases the farther poleward one goes. The opposite phenomenon, polar night, occurs in winter when the sun stays below the horizon throughout the day.

Strange but true, your beliefs and expectations are not always reality, even for something as basic as sunrises and sunsets.


About Xeno

E pluribus unum.


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