astronamy

  • Ptolemy
    100

    Ptolemy

    He was a Greco-Egyptian writer of Alexandria, known as a mathmatician and astronmer and also he is a poet of a single epigram in the Greek Anthology.
  • Aristarchus
    310

    Aristarchus

    He was a acient greek astromer and mathmatician who presented the first known model that placed the sun at the center of the known universe with the earth relvolving around it.
  • nicholas  copernicus
    May 24, 1473

    nicholas copernicus

    1473 – 24 May 1543 was a Renaissance mathematician and astronomer who formulated a model of the universe placed the sun rather than the earth at the center of the universe.
  • Johannes Kepler
    Dec 27, 1527

    Johannes Kepler

    Was a German mathematician and astronomer and astrologer. He is best known for his laws of planetary motion.
  • Tycho Brahe
    Dec 14, 1546

    Tycho Brahe

    He was a Danish nobleman known for his accruate and comperhensive astronomical and planetary observations.
  • Galileo Galilei
    Feb 15, 1564

    Galileo Galilei

    He was a Italian Astonomer and engineer. Who played a major role in the scientific revolution during the renaissance. His achievments included improvments to the telescope.
  • giovanni cassini

    giovanni cassini

    Was an Italian mathmematician, astonomer, Astrologer and engineer. Cassini is known for his work in the fields of astronomy and engineering.
  • chrisiaan huygens

    chrisiaan huygens

    he was a prominent Dutch mathmatician and scientist. He is know as a astronomer, physicist, and horologist.
  • Issac Newton

    Issac Newton

    Was an Enlgish physicist and mathematician who is widely recognized as one of the most influential scientist of all time and as key figure in the scientific revolution.
  • big bang

    big bang

    the big bang is the prevailing cosmological model for the universe from the erliest known through its subsequent large scale revolution
  • James Van Allen

    James Van Allen

    Was a american space scientist at the University of Iowa.He was instrumental in establishing the field of magnetospheric research in space.
  • Aristotle

    Aristotle

    He was a Greek philosopher and scientist born in Macedonian city of Sagira on the northern periphery of Classical Greek.
  • Hipparchus

    Hipparchus

    He was a Greek astonomer and mathematician. He was the considerd to be the founder of trigonometry.But is most famous for his incidental discovery of precession of the equinoxes.