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The Big Bang was a big exploxion.
this theory says that the bnig bang created the whole universe and actually its still expanding -
Was created in Egypt also in Mesopotamia
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Copernicus says that the sun was the center of the solar system and Earth an the other planets rotates around the sun
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This is possibly the first observatory built in Medieval Islam. Unfortunately, the patron of the observatory was found guilty of several crimes including communication with Saturn, and was sentenced to death.
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An observatory was built for the famous Persian astronomer, Nasir al-Din al-Tusi. The patron of the observatory was Mongol ruler, Hulagu, who was addicted to astrology. The observatory, built upon a flattened hill, was named Maragha observatory. The observatory included an extensive library and many instruments set up in the open air.
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Tycho Brahe discovers a supernova in constellation of Cassiopeia.
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Galileo uses telescope for astronomical purposes. He discovers 4 Jovian moons, the Moon's craters and the Milky Way galaxy.
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Christian Huygens discovers Saturn's rings and Titan, the fourth satellite of Saturn.
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The first reflecting telescope was built by Newton.
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Cassini discovers that Saturn's rings are split into two parts, so that today the gap is called the "Cassini Division".
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The discovery of Uranus by Herschel
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Messier discovers galaxies, nebula and star clusters while looking for comets. He compiles a catalogue of these objects (Messier objects).
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Piazzi discovers first asteroid, Ceres.
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Johann Galle observes and discovers Neptune. His observations were prompted by mathematical calculations by French astronomer Joseph Leverrier and English astronomer John Couch Adams.
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Asaph Hall discovers Phobos and Deimos, the moons of Mars.