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- first to find the accurate measurement of the circumference of the Earth
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- one of the first modern scientists and astronomers
- created the geocentric view
- presented details for the motions of each of the planets
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- challenged Ptolemy's geocentric view
- created the heliocentric view
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- contributed to the heliocentric view
- helped with fixing the positions of stars
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- created the scientific method
- created empiricism
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- supported the heliocentric view with mathematical evidence
- invented a revolutionary telescope that could see past the heavens
- known as the father of observational astronomy
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- discovered the three laws of planetary motion
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- discovered Cartesian Skepticism
- invented analytical geometry
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- believed all knowledge is obtained through experiences and that we are all born knowing nothing
- agreed with Descartes
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- discovered gravity
- created the three laws of motion
- came up with the theory that all the planets had elliptical orbits around the Sun
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- known as the father of the modern periodic table
- rearranged the elements into a table we use today
- inspired by solitaire
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- discovered 2 elements: Polonium and Radium
- one of the only female scientists
- won 2 Nobel prizes
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- discovered Cepheid variables
- discovered about 2,400 variable stars
- discovered that some variable stars have a consistent brightness no matter where it's located
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- known for his theory of continental drift
- used continents fitting together with other continents as evidence
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- named after the Hubble telescope
- helped prove that the universe is expanding
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- known for his theory of seafloor spreading
- used his theory as evidence for continental drift