The most significant challenge posed by early modern astronomers was that of the "heliocentric" universe, first argued by
A)Galileo Galilei.
B)Nicholas Copernicus.
C)Johannes Keppler.
D)Frances Bacon.
E)Rene Descartes.

Question

Quizplus · Accepted Answer

Nicholas Copernicus was the first to propose the heliocentric model of the universe, which posited that the Earth and other planets orbit the Sun, challenging the previously accepted geocentric model.

The Most Significant Challenge Posed by Early Modern Astronomers Was