Space Exploration Timeline By Kirsta Krivoshein Period: Nov 19, 1600 to Nov 19, 2013 Space Exploration Events Nov 19, 1610 Jupiters Moon's are Discovered Nov 19, 1655 Astronemers Discover Titan, Saturn's Largest Moon Nov 19, 1687 Isaac Newton published Mathematical Principles of Natural Philosophy Nov 19, 1781 Planet of Uranus is Discovered Nov 19, 1783 Scientist Discovers Black Holes Nov 20, 1783 The Montgolfiere Brothers Build the First Hot Air Balloon Nov 20, 1800 NASA-Led Study Reveals Industrial Soot's Role Nov 19, 1846 Planet of Neptune is Discovered Nov 20, 1899 Robert Goddard Launched the First Liquid-Fuel Rocket Jan 31, 1958 First Succesful American Sattelite May 5, 1961 First American In Space Jul 20, 1969 First Manned Moon Landing Jul 4, 2005 First Impact with a Comet Jan 3, 2013 Spirit Rover Landing On Mars Nov 14, 2013 NASA Probe to Find Mar's Missing Atmosphere