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Summary Of: Polar night

but polar night is never experienced... This is because polar night is the period during which no... Civil polar night is limited to latitudes above 72... civil polar night lasts from about... experiences civil polar night for around a month... The nautical polar night is limited to latitudes above 78... astronomical polar night happens at latitudes above 84... Polar night may also be implicated in some instances of... Polar night and polar darkness...

Encyclodia Page On: Polar night

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polar circles | midnight sun | shortest day | twilight | equator | Arctic Circle | Antarctic Circle | Poles | refraction | twilight | winter solstice | illuminance | Seasonal Affective Disorder | lux | civil twilight | Norwegian | Svalbard | 12 November | Dikson | Finnmark | nautical twilight | horizon | Alert | Nunavut | Canada | astronomical twilight | Arctic Ocean | Antarctica | Amundsen-Scott | South Pole | depression | Polar days | seasonal affective disorder | solipsism syndrome | Categories | Earth phenomena | Arctic geography terminology |
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Polar night".