Astronomy


1. Heliocentric Model - Nicolaus Copernicus (1543)



2. Law of Planetary Motion - Johannes Kepler (1609)



3. Telescope - Galileo Galilei (1609)



4. Theory of Big Bang - Georges Lemaître (1927)



5. Discovery of Uranus - William Herschel (1781)



6. Discovery of Pluto - Clyde Tombaugh (1930)



7. Black Hole Theory - John Michell (1783), developed further by Stephen Hawking.