Ancient Astronomers

By kstranger
  • 240 BCE

    Eratosthenes

    1. Good measurements about the size of Earth
    2. 240 BC
    3. With this discovery, we can further learn about our Earth. We can learn about oceans and land and anything on Earth.
  • 140

    Claudius Ptolemy

    1. Geocentric Theory
    2. 140 AD
    3. this didn't help us with anything but many people decided to challenge his theory which eventually led to the discovery of the sun being the center of the universe
  • 1508

    Nicolaus Copernicus

    1. The theory that the sun was the center of the universe.
    2. 1508
    3. It was later proven to be true and we can now better understand our solar system.

  • Tycho Brahe

    1. He discovered that the sun was the center of our solar system.
    2. 1588-1601
    3. He proved that the center of our solar system was our sun and nothing else, which is what we have now proved to be accurate.

  • Johannes Kepler

    1. Three laws of planetary motion
    2. 1601-1700
    3. It helps us learn about the orbits in our solar system.

  • Sir Isaac Newton

    1.Law of Gravitation
    2. 1687
    3. It helps us understand about gravity, which helps us learn about why our planets orbit the sun.

  • Albert Einstein

    1. Gravitational Waves
    2. 1916
    3. The data can help us learn more about our universe.