Known for Aristotle's Universe
Called Earth a Celestial sphere (round) and said that the heavens were composed of 55 spheres that celestial objects attached to and rotated at different speeds with Earth in the Center
90 AD - 168 AD
Known for the Geocentric Model. Stated that the earth is in the middle of the Solar System. Named the 48 Constellations.
1473 - 1543
Copernicus said that earth was not in the center. the model that has is the Heliocentric model
1546 - 1601
Tycho Combined Copernican's system and Ptolemaic system. He was the last naked eye astronomer, did not use a telescope.
1564 - 1642
Galileo discovered Jupiter had 4 moons. Developed modern Astronomy. First person to use the telescope to study the sky. His observations provided evidence that changes our beliefs about the universe. Pioneer of the scientific method.
1571 - 1601
He was a believer of Copernicus idea that planets revolve around the sun and not the earth. He added that they revolve in an oval shape called an elliptical orbit. Created 3 laws of planetary motion
Sir Isaac Newton
Isaac discovered gravity laws of motion. His model is observation Measurement.
Discovered the universe. Was expanding beyond our own galaxy called Hubble's law. famous for the Hubble Telescope