Question

which model of the universe believes planets orbit the sun? *
milky way model
heliocentric model
geocentric model
big bang model

Explanation:

The heliocentric model places the Sun at the center of the solar - system with planets orbiting around it. The geocentric model has Earth at the center, the Milky Way model refers to the structure of our galaxy, and the Big Bang model is about the origin of the universe.

Answer:

B. Heliocentric model