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Importance - His work showed that the Earth is a sphere and showed the way for more developments in geography, cartography, and the understanding of the Earth's size and shape.
Born: 276 BC, Cyrene, Libya, Shahat, Libya
Died: 194 BC, Alexandria, Egypt -
Importance - It was influential in organizing and predicting the motions of celestial objects and it also contributed to the development of astronomy and astrology in the ancient world.
Born: 100 CE, Alexandria, Egypt
Died: 170 CE, Alexandria, Egypt -
Importance - His model challenged the geocentric model and laid the foundation for modern astronomy. It changed our understanding of the universe and showed the way for future scientific advancements.
Born: February 19, 1473, Toruń, Poland
Died: May 24, 1543, Frombork, Poland -
Importance: Brahe's observations of Mars helped Johannes Kepler create his laws of planetary motion. His data on Mars was crucial in Kepler's discovery that planetary orbits are elliptical rather than circular.
Born: December 14, 1546, Knutstorp Manor, Sweden
Died: October 24, 1601, Prague, Czechia -
Importance - They provided a mathematical foundation for understanding the solar system and were crucial in the development of Isaac Newton's theory of gravity.
Born: December 27, 1571, Weil der Stadt, Germany
Died: November 15, 1630, Regensburg, Germany -
Newton's law of universal gravitation changed our understanding of celestial mechanics. Newton's work showed how classical mechanics function and influenced scientific thought for centuries.
Born: January 4, 1643, Woolsthorpe Manor House, United Kingdom
Died: March 31, 1727, Kensington, London, United Kingdom -
Importance - This has been observed and provides important evidence for the existence of dark matter and the structure of the universe.
Born: March 14, 1879, Ulm, Germany
Died: April 18, 1955, Princeton, NJ