One of the first astronomers to use a telescope was Galileo. Using his telescope he discovered that Jupiter had four moons and each night, the four moons, seen as points of light, appeared to change positions slightly. Which of these was NOT a conclusion based on this observation? (1a)

Our solar system is heliocentric rather than geocentric.

Planets other than Earth have moons.

In our solar system, objects can orbit various planets, not just Earth.

The planets all orbit the Earth.