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Key events in astronomy

By Eugypittared_yt
  • The first reflecting telescope
    1668 BCE

    The first reflecting telescope

    The first reflecting telescope was built by Newton. on England this was a very important key for the modern astronomy that change the history
  • The discovery of the saturn rings
    1656 BCE

    The discovery of the saturn rings

    Christian Huygens discovers Saturn's rings and Titan, the fourth satellite of Saturn. onNetherlands
  • the third law of planetary motion
    1619 BCE

    the third law of planetary motion

    The Third Law of Planetary Motion is announced by Kepler in his work Harmonice Mundi (Harmony of the World).
  • The use of the telescope
    1609 BCE

    The use of the telescope

    Galileo uses telescope for astronomical purposes. He discovers 4 Jovian moons, the Moon's craters and the Milky Way galaxy .on Italy
  • The Gregorian calendar
    1582 BCE

    The Gregorian calendar

    Pope Gregory XIII introduces the Gregorian calendar on Italy on 1609
  • The discovery of a supernova
    1572 BCE

    The discovery of a supernova

    Tycho Brahe discovers a supernova in constellation of Cassiopeia.
    Denmark
  • Theory of copernicus
    1543 BCE

    Theory of copernicus

    Copernicus publishes his heliocentric theory of the Universe.on poland
  • observatory in asia
    1420 BCE

    observatory in asia

    lugh Beg (1394-1449), noted astronomer, had an observatory built at Samarkand in central Asia. The observatory was a 3-story building, but also contained instruments that were outdoors. Ulugh Beg's observatory produced astronomical tables that included a catalogue of over 1,000 stars. Ulugh Beg succeeded to the trhone of the province of Transoxiana in 1447 upon the death of his father. He was murdered in 1449 by an assassin hired by his son 'Abd al Latif.
  • Construction of the observatory in Iran
    1259 BCE

    Construction of the observatory in Iran

    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.
  • the observatory in egypt
    1120 BCE

    the observatory in egypt

    Construction of an observatory in Cairo was begun in 1120 A.D. 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.