Early Astronomers

By 915305
  • Period: 100 to

    Pyolemy

    From Greese
    He thought that all the planets revolved aroud earth. He developed a geocentric model.
  • Period: Mar 23, 1473 to Mar 23, 1543

    Copernicus

    From Poland.
    He developed a heliocentric model- all planets revolve around the sun.
  • Period: Mar 23, 1546 to

    Brahe

    Denmark
    Combined the geocentric and the heliocentric models and made the most acurate astronomical observations.
  • Period: Mar 23, 1564 to

    Gallileo

    Italy
    He improved the telescope and became one of the first people use use one. He discovered craters and mountains on the Earth’s moon, four of Jupiter's moons, sunspots on the sun, and the phases of Venus.
  • Period: Mar 23, 1571 to

    Kepler

    Wrote laws about planetary motion

  • First reflecting telescope is built

    England
    Issac Newton built it
    Gallileo improved it

  • Spiral nebulae was discovered

    Was first found by William Parsons
    Was found in the sky.

  • Scientists learn how to put silver on glass

    German Chemists
    Germany

  • The first permanent solar telescope is built.

    On top of mount wilson.
    Created by George Ellerly Hale.

  • Computers control and position telescopes

    Created by Russians.
    Probably somewhere in Russia.