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210 BCE
Eratosthenes
Eratosthenes developed a system of longitude and latitude, which proved helpful in future studies of the Earth as well as navigation. -
150
Claudius Ptolemy
Ptolemy made the first model of the solar system, which allowed for accurate studies of our universe. -
1543
Nicolaus Copernicus
Copernicus made the first heliocentric model of our solar system, which went against the religion-based model that ruled his time. -
1572
Tycho Brahe
Brahe discovered and named a supernova, which challenged the idea that the stars were unchanging and proved the universe was ruled by chaos, not order. -
Johannes Kepler
Kepler is best known for his laws about the motion of the planets, which is still used for studies today. -
Sir Isaac Newton
Newton developed laws and formulas for gravity which are still used in cosmology and physics today. -
Albert Einstein
Einstein is known for his theory of relativity, which describes time as relative instead of a fixed speed. His thinking revolutionized the way we thought about the universe's processes.