26. Which of the following is NOT a result of the Earth's precession?

a. the Earth wobbles (like a spinning top) with a period of 26,000 years
b. where the Earth's axis points in the sky changes over the centuries and millennia
c. Polaris will no longer be the North Star in several thousand years
d. the stars twinkle when seen from the surface of planet Earth
e. the signs of the zodiac most astrologers use are no longer in accord with the constellations in which
the Sun is currently found over the course of the year