Physics 1 Universal Physics/P1: Topic 1-Visible light and the Solar System/P1.1 The Solar System

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  • The Greek astronomer Ptolemy explained how the Sun, the Moon and the Planets moved in orbits. 
  • His idea said the Earth was the centre of everything, this is a geocentric model. 
  • The Polish astronomer Nicolaus Copermicus thought that Ptolemy was wrong, he thought the sun was the centre of the solar system, this is a heliocentric model.
  •  The telescope allowed scientists to see objects in greater detail than with the naked eye.
  • Galileo Galilei saw moons orbiting Jupiter, he supported…


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