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Period: 276 BCE to 194 BCE
Eratosthenes
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240 BCE
Sieve of Eratosthenes
Eratosthenes created the Sieve of Eratosthenes, an ancient algorithm for finding all prime numbers up to a given limit -
Period: 100 to 170
Ptotemy
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150
Star Catalog
Ptolemy created a star catalog and earliest surviving table of trigonomic fuctions -
Period: 1473 to 1543
Nicolaus Copernicus
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1514
The Center of Our Universe
Copernicus is most famous for proposing that the sun is not revolving around the Earth as perviously thought, but a stationary object that we revolve around. -
Period: Dec 14, 1546 to
Tycho Brahe
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Period: Dec 27, 1571 to
Johannes Kepler
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The Solar System
Brahe proposed the original theory of a solar system, this containing elements of both the Earth centered Ptolemaic system and the Sun centered Copernican system -
Elliptical Orbits
Johannes Kepler discovered that instead of circular movements the planets move in elliptical motions -
Period: to
Isaac Newton
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Gravitational Law
Issac Newton discovered and published the law of gravity in either 1665 or 1666 -
Period: to
Albert Einstein
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Quantum Theory of Light
Einsteins quantum theory of light states that light is a composition of small packets of energy which are called photons and have wave like properties