polar circle

“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

Bailly argued that the bishop could not mean what these words seemed to imply, as the logical conclusion would be to wait till Canada was cleared right up to the polar circle.

From The Father of British Canada: a Chronicle of Carleton by William Charles Henry Wood

The object of Columbus in making these long voyages to the equator and into the polar circle was, as he tells us, to gather observations upon climate.

From The Discovery of America Vol. 1 (of 2) with some account of Ancient America and the Spanish Conquest by John Fiske

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 E. Walter (Edward Walter) Maunder

But, beyond the polar circle, above the austral icebergs, it is quite another thing, and, if the author’s work be not one of pure imagination, I am—well, of any other nationality than my own.

From An Antarctic Mystery by Frances Cashel Hoey