The central idea, if there is one, is couched in terms of the mythology surrounding the pole and the possibility of there once having been a time in which the earth's axis was aligned perpendicularly with respect to the plane of it's orbit, so that there would be no seasons or change in the length of the daylight hours throughout the year.
(The central idea; is couched; in terms of the mythology) (the mythology; surrounding; the pole) (the earth's axis; was aligned perpendicularly; with respect to the plane of it; T:a time)
The central idea the mythology the earth's axis
is couched surrounding was aligned perpendicularly
in terms of the mythology
the pole
with respect to the plane of it T:a time