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First ideas about Universe up to now

By Susanaciencias
  • 1990 BCE

    Confirming The Big Bang (The Hubble telescope)

    The Hubble Space Telescope (HST) was launched into orbit around the Earth in 1990, and remains in operation.
  • 1931 BCE

    At present/Nowadays (The Big Bang Theory)

    At present/Nowadays (The Big Bang Theory)
    In 1931, Lemaître proposed that the universe began with a "explosion" and took cosmic rays to be the remnants of the event.
    Later on, during a BBC radio broadcast on 28 March 1949, Fred Hoyle coined the name of Lemaître's theory such as "this 'big bang' idea".
  • 1543 BCE

    In the middle ages (Copernicus)

    In the middle ages (Copernicus)
    the Sun is in the center of the Universe, motionless, with Earth and the other planets moving around it in circular paths
  • 100 BCE

    Ancient Greeks (Ptolemy)

    Ancient Greeks (Ptolemy)
    the Universe consisted of a flat Earth (or a square one, a zigarrut, etc.) surrounded by the Sun, the Moon, and the stars.