Physics - Timeline


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The following table illustrates the major events (along with probably time period) that occurred in physics −

Event Time Period
Babylonians collected information of planets and stars 2000 BC to 1600 BC
Ancient Indians explained the evolution of universe and also explained about sun, moon, earth, and other planets 1500 BC to 1000 BC
Greek philosopher Anaxagoras explained the physical universe During 5th Century BC
Two Greek philosophers namely Leucippus and Democritus established the school of Atomism During 5th Century BC
Aristotle, the Greek philosopher, described a geocentric universe During 4th Century BC
The Greek philosopher Heraclides explained the motions of planets and stars During 4th Century BC
Eratosthenes, the Greek mathematical geographer proposed the round shape of the Earth During 3rd Century BC
Hipparchus was the first who measured the precession of the equinoxes During 2nd Century BC
Based on Aristotelian ideas, the Roman-Egyptian mathematician and astronomer Ptolemy described a geocentric model During 2nd Century AD
The Indian astronomer and mathematician Aryabhata described the earth’s elliptical orbit around the sun and its axis (heliocentric view) During 5th Century AD
Brahmagupta, the Indian mathematician and astronomer noticed the gravity of earth During 7th Century AD
Abu al-Rayhan al-Biruni, the Persian astronomer described the Earth's gravitation. During 11th Century AD
Nicolaus Copernicus, the Polish astronomer and polymath explained the heliocentric principal scientifically During 16th Century Ad
Johannes Kepler, the German mathematician and astronomer propounded Laws of Planetary Motion During 17th Century AD
Galileo Galilei, the Italian mathematician and physicist invented an astronomical telescope During 17th Century AD
Sir Isaac Newton, the English mathematician, astronomer, and physicist propounded Laws of Motions and Universal Law of Gravitation During 17th Century AD
Emanuel Swedenborg first suggested parts of the nebular hypothesis 1734 AD
Immanuel Kant publishing “Universal Natural History and Theory of the Heavens,” and explained nebular hypothesis 1755 AD
Max Planck, the German physicist described the law of black body radiation and led the foundation of quantum physics During 20th Century AD
Albert Einstein, the German physicist propounded the theory relativity During the 20th Century AD
Max Planck introduced formula for Black Body radiation 1900 AD
Kamerlingh Onnes experimented and noticed superconductivity 1911 AD
Wolfgang Pauli, the Austrian theoretical physicist proposed an important quantum mechanical principle namely the ‘Pauli exclusion principle’ 1925 AD
Georges Lemaître proposed Big Bang theory 1927 AD
Edwin Hubble explained the expanding nature of universe (known as Hubble’s Law) 1929 AD
Otto Hahn discovered nuclear fission discovered 1938 AD
Black Hole Entropy 1972 AD
Richard Feynman proposes quantum computing 1980 AD
Theory of cosmic inflation 1981 AD
Top quark discovered 1995 AD
Gravitational waves detected 2015 AD


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