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Transcript
Early Astronomers the evolution of our space model Geocentric model (1) - Earth centered universe - Earth is the center of the solar system - Stars rotate around the Earth. Earth centered model Earth Aristotle (2) - Grandfather of science - Used observation based science. - Did experiments to study scientifically. - So respected his wrong ideas were taught. Star trails Ptolemy (3) - Astronomer and mathematician - Published ideas in books. - He “made” the math work for the geocentric model. Heliocentric model (4) - Sun centered universe. - Planets are in orbits around the Sun. - Stars are distant and do not move. Copernicus (5) - Brought heliocentrism to the Renaissance - Used scientific observation. - Discovered Earth rotates on its own axis - His followers were called Copernicans Sun centered model Copernicus’s diagram Sun Sun Sun Galileo (6) - Built a telescope to prove Copernican model correct. - Forced to admit wrong-doing by the Church - Although locked away for life, his ideas were shared in books Sun Sun Modern Universe Model - today’s model
