The Copernican principle posits that humanity does not occupy a privileged position in the universe. Which of the following ideas below is not consistent with the Copernican principle?
Options:
A. The Earth is at the center of the solar system.
B. The universe is vast and contains billions of galaxies.
C. Humans are not the only intelligent life forms in the cosmos.
D. Planets revolve around the sun in elliptical orbits.