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April 1, 2024
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K.Botha
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mise à jour avec succès 29 août 2017
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Les événements
Isaac Newton publishes "Principia Mathematica" which, among other things explains the law of universal gravitation
Georges Lemaitre proposes the Big Bang theory which states that the universe began from a single primordial atom
Edwin Hubble discovers evidence of an expanding universe which supports the Big Bang theory
Friedrich Bassel observes the stellar parallax - the apparent movement of the stars due to the Earth's orbit of the Sun
Arno Penzias and Robert Wilson discover cosmic microwave background radiation further supporting the Big Bang model
Ferdinand Magellan observes the Magellanic Clouds which are later recognised as galaxies outside the Milky Way
Kepler publishes "Astronomia Nova" which explains the motion of the planets using a heliocentric model of the universe and elliptical orbits
Thomas Wright suggests that the Milky Way galaxy is a flattened disk of stars and that nebulae might be other galaxies
William Herschel constructs the first map of the Milky Way
Ernst Opik demonstrates that the Andromeda nebula lies outside the Milky Way galaxy
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