The Arctic Circle, above which the Sun can be seen for a full 24 hours on at least one day of the year, is a line around Earth at what latitude?
A) 90° N
B) variable, averaging 66.5°
C) 23.5° N
D) 66.5° N

Question

Quizplus · Accepted Answer

The Arctic Circle is defined as the latitude 66.5° North of the Equator, where the Sun can be seen for a full 24 hours at least once a year (during the summer solstice) and where the Sun can remain below the horizon for a full 24 hours at least once a year (during the winter solstice).

The Arctic Circle, Above Which the Sun Can Be Seen