The geocentric model for the solar system became unsatisfactory to astronomers compared with the heliocentric model early in the sixteenth century. Each of the following is part of the explanation for this except one. Which is the exception?

Question

Quizplus · Accepted Answer

The exception is D because observations by spacecraft proving that all planets orbited the Sun occurred much later than the early sixteenth century, when the heliocentric model began to gain favor over the geocentric model.

The Geocentric Model for the Solar System Became Unsatisfactory to Astronomers