Suppose you live at latitude 40°N. Which of the following describes the conditions that make a star circumpolar?

A) Stars are circumpolar if they have declination > +50°.
B) Stars are circumpolar if they have declination > +40°.
C) Stars are circumpolar if they have right ascension > 6 hr.
D) Stars are circumpolar if they have right ascension < 6 hr.
E) No stars are circumpolar at this latitude.


A

Physics & Space Science

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