Which of the following statements best explains why the position of the North Celestial Pole travels in a circle with respect to the background stars, with a period of roughly 26,000 years?
W) The revolution of the solar system about the center of the Milky Way causes different stars to be at the pole at different positions in the orbit
X) The gravity of the Sun and Moon causes Earth's axis to wobble
Y) The gravity of nearby stars causes the ecliptic to wobble, changing the orientation of the whole solar system
Z) The shape of Earth's orbit varies slightly over time, causing the axis to point at different areas of the sky
✔️Answer:X) The gravity of the Sun and Moon causes Earth's axis to wobble
🚀
Take Your Prep to the Next Level
Practice with interactive modes, adaptive testing, and detailed stats on our main app.