What geometrical factors are key to understanding extended lunar absence at the Earth's poles?
Answer
The Earth’s axial tilt and the Moon's orbital inclination.
The text specifies that the key to understanding this phenomenon lies in the Earth’s axial tilt and the Moon's orbital inclination.
Related Questions
Is there any location on Earth where the Moon never rises above the horizon permanently?What geometrical factors are key to understanding extended lunar absence at the Earth's poles?What causes the duration of continuous lunar absence or visibility at the poles to change over time?For observers living outside the polar circles, approximately how much later does the Moon rise each day?What is the primary reason people outside the poles might incorrectly believe the Moon is not visible?What celestial mechanics concept explains why we always see the same face of the Moon from Earth?If the Moon causes an extended absence at the pole, what is happening to its entire orbital path during that period?How does the Moon's path appear to an observer looking from the geographic Pole ($90^ ext{o}$ N or S)?Why is the New Moon phase universally the most globally non-visible phase?What is the required condition for an observer at exactly $90^ ext{o}$ latitude to see the Moon during a cycle?What effect does the Earth's curvature have on the Moon's visibility when it is very close to the horizon at lower latitudes?