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The English astronomer Sir Isaac Newton publishes the Philosophae Naturalis Principia Mathematica.
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he British mathematician William Moore publishes Treatise on the Motion of Rockets. This work features the first exposition of rocket mechanics based on Newton's third law of motion.
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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.
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After two previous failures, Germany successfully launches their V-2 rocket. It is the first man-made object to achieve sub-orbital spaceflight,
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The U.S. military achieves its first high-altitude space flight using a rebuilt German V-2 rocket. Launched from the White Sands Proving Ground in New Mexico, the flight reaches an altitude of 70 miles.
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Russian cosmonaut Yuri Gagarin became the first human in space
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Neal Armstrong was the first man to step foot on the moon
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Apollo 13 was launched.
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the first widely seen photo of earth form spase was taken at 5:39 by astronauts on Apollo 17
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The U.S. probe Pioneer 11 reached Saturn and began transmitting images
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The Space Shuttle Challenger exploded seconds after liftoff it killed all 7 crew menbers
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The Magellan spacecraft began mapping the surface of Venus using radar equipment.
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President Bush proposed a new space program that would send humans back to the moon by 2015 and establish a base to Mars and beyond.
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Virgin Galactic, a private company, announced the successful first manned glide flight of the VSS Enterprise. This vehicle is a suborbital plane designed to take private citizens on space flights
