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Johannes Kepler's Laws of Planetary Motion
Kepler's Laws of Motion were created after the first few models of the Solar System. These laws were used to accurately determine how planets orbited around a center of gravity. -
Period: to
Discoveries of 1609-1957
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First Spotting of the Moon
This was the first viewing of the Earth's moon via telescope by the astronomer Galileo Galilei. -
Soviet Union Launches Their First Rocket
The USSR launches their first rocket that contributes to the research to create a rocket capable of making it out of orbit and into space. -
USSR Launches First Artificial Satelite
The Soviet Union launched the first artificial satelite (Sputnik I) that was able to orbit the Earth and send radio waves back. -
First Ballistics Missile Created by USSR
The first ballistics missile was created by the USSR able to launch and fire. -
Period: to
Discoveries of 1958-1980
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The First Human in Space
The first human to be in space (USSR) was in 1961 showing that missions could be carried out and be humanly controlled allowing them to sample and take pictures of the surrounding area of space including the moon. -
First Flyby and Sighting of Mars
The first sighting of the planet Mars was in 1965 and showed astronomers and researchers what the physical character looked like, and how far it was away for future launches. -
First Artificial Satellite around the Moon (USSR)
The first satellite to be put around the orbit of the moon by the USSR. -
First Landing on the Moon
The first successful mission to arrive on the moon (Apollo 11), by Neil Armstrong and his crew. -
First Space Station in Orbit
In 1971 the first Space Station, Mir, arrived in Earth's Orbit from the USSR. -
First Reusable Manned Spacecraft
The first man controlled Space Shuttle that was launched by the U.S. -
Period: to
Discoveries of 1981-Present Day
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First Spacecraft Past Neptune
The first spacecraft to go past the orbit of Neptune and on to explore past our closest planets done by U.S. NASA. -
First Photograph of the Entire Solar System
The first picture showing the entirety of our Solar System showing us stars, all the planets, and the scale of distance. -
First Orbit of an Asteroid
The first satellite to orbit an asteroid done by the U.S. NASA -
First Sample of an Asteroid
The first sample of an asteroid to be taken and tested. Sample was taken by the Japanese spacecraft Hayabusa 2.
