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Isaac Newtion published the Philosophae Naturalis Principia. This is one of the most important works ever in the history of scientific discovery.
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Robert H. Goddard launched the first liquid rocket. It reached an altitude of 41 feet at a speed of around 60 miles per hour.
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This rocket was the US's first rocket to be launched that was designed by the Jet Propulsion Laboratory.
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The USSR launched the first artificial satellite, Sputnik. It could send radio signals back to earth.
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The first live animal in space was a dog named Laika. It was launched on the Soviet Sputnik 2 spacecraft.
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Apollo 11's mission was to land two men on the moon. The first men on the moon were Neil Armstrong, Edwin Buzz, and Michael Collins.
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Apollo 14 mission going to the moon was launched by the United States with Alan Shepard. They explore the moon and transport materials.
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Sally Ride was the first American woman in space as she flew in the Challenger space shuttle in 1983.
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Discovery was the first of the three active space shuttles to be retired. On March 9, 2011 they completed their final mission. The final shuttle mission was completed with the landing of Atlantis on July 21, 2011