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Topic: Polar circle

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	Polar circles (Site not responding. Last check: 2007-08-30)
		Polar clock, a tube, containing a polarizing apparatus, turning on an axis parallel to that of the earth, and indicating the hour of the day on an hour circle, by being turned toward the plane of maximum polarization of the light of the sky, which is always 90[deg] from the sun.
		Polar, or Polaric, opposition or contrast (Logic), an opposition or contrast made by the existence of two opposite conceptions which are the extremes in a species, as white and fl in colors; hence, as great an opposition or contrast as possible.
		Polar opposition, or Polaric opposition or Polar contrast or Polaric contrast (Logic), an opposition or contrast made by the existence of two opposite conceptions which are the extremes in a species, as white and fl in colors; hence, as great an opposition or contrast as possible.
	dictionaries.cc /Polar_circles (1075 words)

	CONK! Encyclopedia: Polar_night (Site not responding. Last check: 2007-08-30)
		This is because polar night is the period during which no twilight occurs; but there are various kinds of twilight.
		The nautical polar night is limited to latitudes above 78Â° 33â², which is exactly 12 degrees within the polar circle, or eleven and a half degrees from the pole.
		Thus, astronomical polar night happens at latitudes above 84Â° 33â², which is exactly 18 degrees within the polar circle, or five and a half degrees from the pole.
	www.conk.com /search/encyclopedia.cgi?q=Polar_night (424 words)

	Arctic Circle - Wikipedia, the free encyclopedia
		The Arctic Circle is one of the five major circles of latitude that mark maps of the Earth.
		The Arctic Circle marks the southern extremity of the polar day of the summer solstice in June and the polar night of the winter solstice in December.
		The position of the Arctic Circle is determined by the axial tilt (angle) of the polar axis of rotation of the Earth on the ecliptic.
	en.wikipedia.org /wiki/Arctic_Circle (422 words)

	HMS Polar Circle (Site not responding. Last check: 2007-08-30)
		SM2CEW Moonbounce north of the polar circle Moonbounce north of the polar circle
		Alfred Wegener Institute for Polar and Marine Research Conducts research in the Arctic, the Antarctic and at temperate latitudes.
		Polar Express, The Posters Polar Express, The Posters Inner Circle, The Posters Circle of Friends Posters Circle of Iron Posters Circle of Deceit Posters Circle of Love Posters Mrs.
	www.serebella.com /encyclopedia/article-HMS_Polar_Circle.html (520 words)

	Arctic Circle Juoksengi
		The Arctic circle is the outermost parallel circle counted from the North Pole where during the summer solstice the sun doesn't go under the horizon during any hour of the day or night.
		The Arctic circle is also the outermost parallel circle counted from the North Pole where we can't see the sun rise over the horizon in the winter solstice.
		This is the reason for the Arctic circle movement to the north with a speed of 14,5 m/year.
	www.communique.se /polcirkel/arctic.html (398 words)

	Poles and Polars
		The polar of a pole that lies inside the circle of reference lies in its entirety outsdie the circle.
		The polar of a pole on the circle is tangent to the circle at the pole.
		The polar of a point which is the intersection of two polars, is the line through the corresponding poles.
	www.cut-the-knot.com /Curriculum/Geometry/PolePolar.shtml (582 words)

	Polar Circle
		ABC serves as the radical center of the circles constructed on the sides of the triangle as diameters.
		The proof is immediate from (2): the inversion in the polar circle exchanges vertices of a triangle with the feet of the altitudes, so that, for example, A is mapped on H
		The same fact affords a reformulation: the sides of the triangle are the polars of the opposite vertices with respect to the polar circle.
	www.cut-the-knot.org /Curriculum/Geometry/PolarCircle.shtml (411 words)

	CEAREX CD-ROM Documentation File: Meteorology Data
		The ice-strengthened POLAR CIRCLE was usually within the ice a few kilometers from the ice edge.
		When the POLAR CIRCLE was near the HAAKON MOSBY, the wind direction from the latter should be used.
		Unlike the POLAR CIRCLE, there was no magnetic distortion of the compass; therefore wind directions were usually accurate to 5 degrees.
	nsidc.org /data/docs/daac/nsidc0020_cearex/meteorology_cd_document.html (6219 words)

	OZ fossils - The Age of Reptiles - The Climate - The Polar Climate
		The geological evidence shows that Australia at that time was within the polar circle and still part of Antarctica.
		The way that the Earth goes around the sun, tilted on its axis, means that in mid-winter the sun would not appear over the horizon for a month or more and that for much of summer the sun didn’t fully set.
		Polar Antarctica, with southern Australia attached, was a world of dark, icy winters and mild summers of days that wouldn’t turn into night.
	www.abc.net.au /ozfossil/ageofreptiles/climate/polar.htm (630 words)

	Circle Polar Bear
		show the children two circles and ask -- is this one bigger, smaller or the same size as that one.
		Glue the large white circle with the mouth on it to the blank large white circle.
		Glue the medium sized white circles (ears) to the top of the head.
	www.dltk-kids.com /animals/mcircle_polar_bear.htm (251 words)

	MSN Encarta - Search Results - polar circle
		Polar Bear, common name for a white bear found on the sea ice of the Arctic throughout the North Polar basin.
		It is located at the northern end of the earth’s axis, an imaginary line through the center of the earth...
		angle inscribed in a circle, angles inside circles, arcs in concentric circles, area of a circle, central angle of intercepted arc, chords of a...
	encarta.msn.com /polar+circle.html (171 words)

	Fred. Olsen Cruise Lines \| Excursion \| Moi Rana, Norway \| POLAR CIRCLE CENTRE
		The Arctic Circle is one of the five major circles of latitude that appear on world maps; it is the parallel of latitude that runs 66°33’38” north of the Equator.
		Everything north of this circle is known as the Arctic; the zone just to the south is the Northern Temperate Zone.
		There is only a little voluntary walking during this tour, around the Polar Circle Centre itself and in the surrounding area.
	www.fredolsencruises.co.uk /fredolsen/process/shoretours/shoretour_detail/id=3111,portcode_id=2062.html (426 words)

	Polar Alignment, Night Sky, Using a Telescope
		You will never see stars complete one circle because the sunlight during the day will wash out the starlight, unless you are within a Polar Circle during a day when the Sun does not rise.
		Polar alignment is the process by which the telescope’s axis of rotation (called the polar axis) is made parallel with the Earth’s axis of rotation.
		Rotate the polar scope until the orientation of the stars on the reticle matches the star pattern in the sky (as seen with the naked eye).
	www.losmandy.co.uk /astronomy.htm (2938 words)

	Polar coordinates
		From a polar equation to a cartesian equation
		Polar coordinates of a point P. In the plane we choose a fixed point O, and we call it the pole.
		To convert the equation of K to a cartesian equation, we appeal on the properties of Polar equation of a conic section.
	www.ping.be /~ping1339/polar.htm (3425 words)

	The Seamans Secrets - 2nd part - John Davis 1659 and 1643
		The 2 Tropicks, the Polar circles are lesser circles,
		The Tropick of Capricorn is one of the lesser Circles dividing the
		The Artick polar Circle is one of the lesser Circles, dividing the
	www.mcallen.lib.tx.us /books/seasecr/dseasec2.htm (12242 words)

	Arctic Circle Race, Greenland (Site not responding. Last check: 2007-08-30)
		he Arctic Circle Race organisers bid you welcome to eight fantastic days in the wilds of Greenland, where the Arctic Circle Race is being arranged for the 10th year running.
		The classic Arctic Circle Race Ski Route extends over a distance of 160 km across a magnificent arctic landscape, 65 km north of the Polar Circle.
		If you choose to take part in Arctic Circle Race 2006, it is essential that you are in good physical condition, with a stable mentality and a desire for adventure.
	www.greenland-guide.gl /acr (207 words)

	ISLAND GRIMSEY ON THE POLAR CIRCLE
		The island is framed with precipice except the southern part and its highest point is 105m.
		Polar bears have often appeared on the island, being brought there by the drifting ice flows from Greenland.
		When it happened in 1969, one polar bear was shot and is preserved stuffed in the district museum in the village Husavik.
	www.nat.is /travelguideeng/grimsey.htm (113 words)

	Polar Circle - North Polar Discussion List
		POLAR CIRCLE is a free-of-charge internet-based e-mail discussion list that is devoted to the North Polar Regions.
		Interest areas of list subscribers include, but are by no means limited to, north polar history, geography, navigation, exploration and expeditions, tourism, archeology and ethnology, culture, weather and climate, aviation, literature, and current events of the region.
		POLAR CIRCLE provides an opportunity to ask--and answer--questions, share information and ideas, and in general to communicate with others worldwide who share your interests and enthusiasm
	members.tripod.com /norpolar/polarcircle.html (399 words)

	Dalton Highway Alaska Polar Circle Tours
		The native village is one of the oldest year-round settlements in the Interior where the Gwich'in Athabascan Indians lived a semi-nomadic life style in the Fort Yukon area for centuries.
		Travel along the Dalton Highway in the comfort of a tour van beyond the Arctic Circle, an imaginary boundary marking the latitude where the sun doesn’t set on the longest day of the year, June 21 and doesn't rise on Dec 21.
		Enjoy a meal on the banks of the mighty Yukon River and explore the fragile structure of the Alpine Tundra during a walk to the foothills of the Brooks Mountain Range at Gobbler's Knob.
	www.goalaskatours.com /packagetour_arcticcircle_sightseeing.html (1217 words)

	Polar Circle Adventure
		Kangerlussuaq is located just north of the Polar Circle and is mostly known as the main airport and gateway into Greenland.
		The location north of the Polar Circle means that visitors from mid December to mid January experience the long Arctic Night where the sun does not rise above the horizon!
		The "day" is not totally dark, but still the feeling of Polar Night is true and exciting.
	www.scantours.com /polar_circle_adventure.htm (503 words)

	Polar circle - Encyclopedia, History, Geography and Biography
		Polar circle - Encyclopedia, History, Geography and Biography
		The polar circles is a name for the Arctic and the Antarctic Circle.
		This encyclopedia, history, geography and biography article about Polar circle contains research on
	www.arikah.com /encyclopedia/Polar_circle (59 words)

	Antarctica Cruises and Antarctica Expeditions by Lost World Adventures
		in the Weddell Sea, The Polar Circle, around the Falkland Islands and the Antarctic Peninsula.
		The young are born and reared in the Islands throughout the southern summer.
		The Polar Circle is an imaginary boundary for the continent of Antarctica which slices through the Antarctic Peninsula and Weddell Sea.
	www.lostworldadventures.com /countries/antarctica/index.php (599 words)

	News
		Polar Circle Expeditions and Travel are a veteran North Pole logistic outfit.
		Polar Circle have also been assigned by the Russian authorities to try to recover the Russian Antonov-3 biplane aircraft abandoned at the South Pole last year.
		Polar Circle added a new feature to polar transportation - ice buggies: "From Patriot Hills, out-going trips will be undertaken in snow buggies specially created for Polar Circle expeditions," they state.
	www.thepoles.com /story/IceMobileOct72003.shtml (386 words)

	Polar Circle Encyclopedia Article, Definition, History, Biography (Site not responding. Last check: 2007-08-30)
		Looking For polar circle - Find polar circle and more at Lycos Search.
		Find polar circle - Your relevant result is a click away!
		Look for polar circle - Find polar circle at one of the best sites the Internet has to offer!
	www.karr.net /search/encyclopedia/Polar_circle (216 words)

	Antarctica Journeys: Climbers & Photographers Cruise
		Perhaps you could take a trip to the Lapataia National Park to listen to the woodpeckers drumming on the Antarctic beech trees or you might like to wander up to the glaciers immediately behind town, where there is a great view down the Beagle Channel.
		Soon after everyone is on board we will get together to introduce you to one another other, explain the workings of the ship and discuss plans for the coming days.
		Polar Pioneer is not a luxury ship, she is homely and strong, built to be a research vessel and refitted to comfortable passenger standard in 1996.
	www.antarctica-journeys.com /.docs/pg/11067 (2403 words)

	Russians rescue stranded polar scientists
		MOSCOW (Reuters) - Russian helicopters have battled freezing conditions deep beyond the Arctic Circle to rescue scientists stranded on a research base that has been all but crushed beneath a wall of ice, Russian agencies report.
		Russia’s first permanent research station near the North Pole since the fall of the Soviet Union ended generous scientific funding, Severny Polyus-32 was seen as a symbol of the country’s return to polar exploration.
		The base had almost completed a full polar circle on drift ice since its launch in April last year.
	www.tiscali.co.uk /news/newswire.php/news/reuters/2004/03/06/topnews/russiansrescuestrandedpolarscientists.html&template=/news/templates/newswire/news_story_reuters.html (300 words)

	Cruise Itinerary (Site not responding. Last check: 2007-08-30)
		Upon arrival you will tour Tierra del Fuego National Park before you are dropped off at the port to embark on the MV Polar Star for your cruise of the Antarctic Peninsula and Polar Circle.
		Your cruise follows the route of the classic Antarctic expedition, adding two extra days to attempt to reach the Polar Circle – at 66.6 degrees South – through the ice-filled scenic channels that flow between impressive mountains and glaciers.
		No guarantees can be given for actually reaching the Polar Circle, but chances are significantly improved by the icebreaking capabilities of the MV Polar Star.
	www.yourexpedition.com /umbrella_pages/antarctic_cruise_itin_1.html (297 words)

	Polar-Travel - adventure travel, arctic expeditions
		You'll be travelling with Polar Inuit at 78 degrees North by fair means, like Robert E. Peary and other Arctic Pioneers did!
		This is a very rare opportunity to experience the old 'World of the Eskimo' and a spectacular Arctic adventure.
		One of his expeditions led him from Greenland to Canada by dog-sledge, he has been sailing hundreds of sea-miles in Svalbard, North- and East-Greenland, sharing his intense knowledge of the polar environment and about inuit-cultures with small groups of adventurous-minded visitors of the Arctic.
	www.polar-travel.com (229 words)

	Arctic Photography: Polar Bear Photos, Northern Lights Photographs, Polar Region - The Polar Circle (Site not responding. Last check: 2007-08-30)
		The Polar Circle is a group of polar photographers and specialist collections on Polar Regions offering a one stop source for Polar imagery.
		We have come together on this website to offer the best in specialised polar imagery, history, technology, industry, science, wildlife, landscape and the people of the polar regions.
		The Polar Circle is a great choice for Northern Lights (Aurora Borealis) photographs as well as general Arctic photography including Arctic nature photos, Antarctic photography, polar exploration pictures and Polar bear photos.
	www.arctic-photography.com (235 words)

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