early astronomers

Timeline created by Will123154
  • 100

    Aristotle

    Aristotle
    300bc Aristotle belived in the geocentric model of the universe. He thought the earth was stationary and the universe revolved around it in perfect circle.
  • 100

    Ptolmey

    Ptolmey
    100ad Ptolmey agreed with Aristotle in the Geocentric model of the universe. People saw flaws in Aristotles model of the universe so he came up with a eplanation for it.
  • Jan 1, 1500

    Nicolaus Copernicus

    Nicolaus Copernicus
    Nicolaus Copernicus first proposed the heliocentric model of our solar system. This was the planets orbiting the sun, which was in the center of our solar system.
  • Galileo Galilei

    Galileo Galilei
    Galileo Galilei belived in the heliocentric model of the universe. He created the telescope which helped further the investigation of space.
  • Isaac Newton

    Isaac Newton
    Isaac Newton belived in the heliocentric model of the universe. He discovered Universal Gravity which is the same Gravity that makes a apple fall on Earth, keeps the planets orbiting the sun.