Understanding of Universe By angela.barron Feb 9, 1473 Nicolus Copernicus was born Mar 3, 1514 Copernicus circulates his Little Commentary, introducing his heliocentric model Oct 11, 1541 Nicolus C. manuscript got published May 24, 1543 Nicolus died Feb 15, 1564 Galileo was born in Italy Mar 3, 1610 Observes Jupiter's moons(Galileo) Mar 3, 1613 Galileo published his letters about sunspots based on observations he made Jan 9, 1642 Galileo died Jan 4, 1643 Newton was born Mar 3, 1687 Newton publishes Mathematical Principles of Natural Philosophy Mar 31, 1727 Newton Dies Nov 20, 1889 Edwin Hubble was born Mar 3, 1924 Hubble demonstrates that there are galaxies beyond the milkyway Mar 3, 1935 Hubble Discovers asteroid 1373 Cincinnati Sep 28, 1953 Hubble dies from heart attack