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polar sequence

noun

  1. astronomy a series of stars in the vicinity of the N celestial pole whose accurately determined magnitudes serve as the standard for visual and photographic magnitudes of stars
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Example Sentences

The polar sequence in Solar is based on a real trip that McEwan himself went on – and a fellow traveller was Rachel Whiteread.

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Polar Regionspolar stratospheric cloud