Eventos
Aristarchus 230 BC
Made the first model of the solar system with the sun at the centerEratosthenes 194 BC
First person to calculate the earth’s circumferencePtolemy 170 AD
Main guy who theorized and believed in thea ‘geocentric’ modelCopernicus 1543 AD
Heliocentric views; Catholic church rejected his beliefs; Found that earth turned daily on its axisGalileo 1642 AD
Used the telescope to look at the sky and discovered that planets aren't perfect spheresKepler 1630 AD
Created the 3 major laws of planetary motionNewton 1726 AD
Created the law of Gravity - lead to understand the motion of planets, comets and asteroids.Hubble 1953 AD
Created Hubbles Law; Found Galaxys other than the MilkywayEinstein 1955 AD
Discovered Special and general relativity; which lead to the prediction of the existence of blackholesTombaugh 1997 AD
Discovered Pluto & pushed for research on UFOsStephen Hawkings 2018 AD
Singularity Theorem, Theroized that a black hole caused the big bang
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