Known For | Person |
Devised the Heliocentric Theory, which stated that the Sun was at the center of the universe rather than Earth | |
Developed three laws of planetary motion, which describe how celestial bodies orbit around one another | |
Contributed advances to the telescope; discovered the four major moons of Jupter; advocated the Heliocentric Theory | |
Observed and explained the nature of Saturn's rings; discovered Titan | |
Discovered a gap in Saturn's rings; discovered four Saturnian moons; developed three laws concerning the orbit of the Moon | |
Credited with the development of calculus, Law of Universal Gravitation, and three eponymous laws of motion | |
First to calculate the orbit of a comet and predict it's return to the inner solar system | |
Discovered Uranus in 1781; discovered two moons of Saturn and Uranus each; coined the term 'asteroid' | |
Discovered Neptune in 1846 | |
Revolutionized physics with his theory of relativity, introducing the concepts of spacetime, mass-energy equivalence, time dilation, and that nothing can travel faster than light | |
Was the first man to propose that the universe was expanding. Also proposed the 'hypothesis of the primeval atom,' which would develop into the Big Bang Theory | |
Verified the existence of other galaxies beyond the Milky Way, and that these galaxies moving away have a redshift | |
Pioneered the study of supernovae, confirmed their existence, discovered 120 supernovae in his lifetime. Also one of the first people to postulate the existence of dark matter | |
By calculating the motion of stars in the galaxy, provided evidence for dark matter's existence. Also hypothesized a region of the solar system where comets originate | |
Discovered Pluto in 1930 | |
Contributed various insights in regards to the solar system, and possible alien life; acted as a science popularizer; 'Pale Blue Dot' | |
Battling ALS, drastically changed our view of black holes in that they emit radiation; author of 'A Brief History of Time' | |
Discovered numerous trans-Neptunian objects, such as Haumea, Makemake, and Eris; dubbed 'The man that killed Pluto.' | |
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