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Spac exploration time line
A telescope lets you see things that are far away.
Galileo Galilei had a very primitive telescope; he could see about as well through his telescope as we can through a pair of binoculars.
Isaac Newton made a telescope with mirrors instead of lenses, as Galileo was planning to do before he was imprisoned.
July 5, 1687
Publication of Principia The English astronomer Sir Isaac Newton published the Philosophiae Naturalis Principia Mathematica. This three-volume work outlines Newton's three laws of -
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1914
Goddard's Rocket Patents
U.S. rocket scientist Robert H. Goddard receives two landmark patents for rockets. The first described a multi-stage rocket and the second described a rocket fueled with gasoline and liquid nitrous oxide. These two patents would become major milestones in the history of rocketry. May, 1924
Soviet Rocket Society Established
The Soviet Union establishes the Society for Studies of Interplanetary Travel. This group would soon be renamed the Society for the Study of In