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Galileo observes the moon and notices that the moon has earth-like features. such as plains and mountain ranges and valleys.
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Almost no spots were seen on the sun, this was also a time of cold climate in western europe.
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During Newton's time away from cambridge newton discovered differential and integral calculus... pssshhh no big deal
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Newton's Principia presents a new dynamic mathematical physics which is able to account for the motions of the universe and its bodies.
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William Herschel discovers Uranus. a planet not known to the ancient people.
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The first photographs of the milky way are recorded.
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A German scientist by the name of albert einstein introduces the theory of relativity to explain the effect of gravity: that accelerated motion and being at rest in a gravitational field are physically identical and is also used to explain many physics mysteries which were before unknown.
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Schwarzchild calculated the geometry of a black hole. he stated that if such a massive body is compressed to a very small size, space curves around it.
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Edwin Hubble discovers that there are other galaxies outside of the Milky Way by discovering several spiral nebulae which were too far away to be part of the milky way.
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USSR launches Sputnik 1 thus beginning the "Space Race"
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The space race was a "Race" to celestial exploration between the U.S.A and the USSR
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The Explorer 1 becomes the first american satelite to reach orbit and carries scientific equipment and discovers the van allen radiation belt.
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Armstrong and Aldrin "land" on the moon and become the first people to do so.
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The hubble telescope is launched.
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New measurements show that the Universe is 13.7 billion years old.
