Who proposed the heliocentric model, suggesting that the Sun is at the center of the solar system? Aristotle Ptolemy Nicolaus Copernicus Johannes Kepler None Which astronomer formulated the laws of planetary motion, supporting the heliocentric model? Tycho Brahe Galileo Galilei Johannes Kepler Claudius Ptolemy None Who observed the phases of Venus, supporting the heliocentric model by showing that Venus orbits the Sun? Galileo Galilei Tycho Brahe Nicolaus Copernicus Claudius Ptolemy None Which scientist improved the telescope, enabling more detailed observations of celestial bodies? Johannes Kepler Tycho Brahe Isaac Newton Galileo Galilei None Who formulated the laws of motion and universal gravitation, providing a comprehensive explanation for celestial motion? Johannes Kepler Galileo Galilei Isaac Newton Tycho Brahe None Time's up
