The first modern astronomer to propose a Sun- centered universe was___________ .
A) Sir Isaac Newton
B) Galileo
C) Tycho Brahe
D) Nicolaus Copernicus

Question

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Nicolaus Copernicus was the first modern astronomer to propose a Sun-centered universe in the mid-16th century, with his book "On the Revolutions of the Celestial Spheres." Galileo and Newton later supported this model with their own observations and theories, while Brahe's observations provided crucial data for the development of heliocentrism.

The First Modern Astronomer to Propose a Sun- Centered Universe