Which development was the first major change to ancient models of the solar system?(1 point) Responses the placement of some planets closer to the center of the solar system the placement of some planets closer to the center of the solar system the choice to make elliptical rather than circular orbits the choice to make elliptical rather than circular orbits the choice to place stars far from Earth the choice to place stars far from Earth the placement of the Sun at the center of the solar system

1 answer

The first major change to ancient models of the solar system was the placement of the Sun at the center of the solar system. This heliocentric model, primarily proposed by Copernicus, represented a significant shift from the geocentric models that placed the Earth at the center.