Astronomers

By IsaiahLLLL
  • 276 BCE

    Eratosthenes

    Found a way to measure size of the earth by using the sun. If we can now measure the Earth then were able to measure the other planets in the solar system.
  • 90

    Claudius Ptolemy

    He set up the model that the sun, stars, and planets revolved around earth. It ended up being wrong but it helped to find that this was the knowledge of Grecian astronomy
  • 1473

    Nicolaus Copernicus

    Formed the base model of solar system, even know it wasn't entirely correct, he set the platform for the other scientist.
  • 1546

    Tycho Brahe

    Proved the Earth centered the solar system not the sun, which helped also prove some of Kepler laws.
  • 1571

    Johannes Kepler

    Discover the three laws of planetary motion.These discovers shifted our thoughts on the universe as we knew it.

  • Sir isaac newton

    Formed the basic laws of motion, which are the basics for mechanics. These laws also explained why Kepler laws of planetary motion are true.

  • Albert Einstein

    Albert had many discoveries about the universe and time as we know it. But perhaps his best discovery was the theory of relativity. That theory the evolution of atomic power, which helped form atomic bombs.