Timeline of knowledge and understanding of Solar System

By michael.su11
  • 100

    Claudius Ptolemy

    Claudius Ptolemy was a Greece-Roman mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology. He lived in the city of Alexandria in the Roman province of Egypt.
  • 1473

    Nicolaus Copernicus

    Nicolaus was a polish mathematician who formulated a model of the universe that rather placed the sun than the earth
  • 1564

    Galileo Galilei

    Galileo Galilei was an Italian astronomer, physicist and engineer, sometimes described as a polymath.He was known as father of modern physics
  • 1571

    Johannes Kepler

    Johannes Kepler was a German mathematician, astronomer, and astrologer. Kepler is a key figure in the 17th-century scientific revolution. He is best known for his laws of planetary motion, based on his works Astronomic nova, Harmonics Mundane, and Epitome of Copernican Astronomy.

  • Edmond Halley

    Edmond Halley, was an English astronomer, geophysicist, mathematician, meteorologist, and physicist. He was the second Astronomer Royal in Britain, succeeding John Flamsteed in 1720.

  • William Herschel

    Frederick William Herschel, was a German-British astronomer, he worked with his brother Caroline Herschel but also studied music and selling the most advanced telescope for over 50 years.

  • Discovery of the first four asteroids

    The four asteroids were ceres, pallas, vesta and hygiea. The asteroid come from a region of solar system that lies more than 2 ½ times as far from the Sun as Earth does.

  • Urbain Le Verrier

    Urbain Jean Joseph Le Verrier was a French mathematician who specialized in celestial mechanics and is best known for predicting the existence and position of Neptune using only mathematics.

  • Clyde William Tombaugh

    Clyde William Tombaugh was an American astronomer. He discovered Pluto in 1930, the first object to be discovered in what would later be identified as the Kuiper belt. At the time of discovery, Pluto was considered a planet but was later reclassified as a dwarf planet in 2006

  • Voyagers 1 and 2

    Voyager 1 is a space probe launched by NASA on September 5, 1977. Part of the Voyager program to study the outer Solar System, Voyager 1 launched 16 days after its twin, Voyager 2.