polar circle

Example Sentences

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“We basically achieved everything we set out to do,” the expedition’s leader, Markus Rex, told The Associated Press by satellite phone as it left the polar circle last week.

From Washington Times • Oct. 12, 2020

The attraction-spheres are near one side of the ovum, and are connected with its periphery by a cone of fibres forming a polar circle, p.c.; e.c., equatorial circle.

From Darwin, and After Darwin (Vol. 1 and 3, of 3) An Exposition of the Darwinian Theory and a Discussion of Post-Darwinian Questions by Romanes, George John

The diagram shows that the maximum temperature of no place upon the Earth’s surface approaches the boiling-point of water, and that it is only within the polar circle that the mean temperature is below freezing-point.

From Are the Planets Inhabited? by Maunder, E. Walter (Edward Walter)

He himself came to dine with us, and to be present at the ceremony of crossing the polar circle.

From Letters from High Latitudes by Dufferin, Lord

Ptolemy supposes this to have been the Thule of Pytheas, Pliny places it within three degrees of the pole, Eratosthenes under the polar circle.

From A General History and Collection of Voyages and Travels - Volume 18 Historical Sketch of the Progress of Discovery, Navigation, and Commerce, from the Earliest Records to the Beginning of the Nineteenth Century, By William Stevenson by Stevenson, William