Template:Selected anniversaries/October 27

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  • 1675: Mathematician and academic Gilles de Roberval dies. He published a system of the universe in which he supports the Copernican heliocentric system and attributes a mutual attraction to all particles of matter.

    1675: Mathematician and academic Gilles de Roberval dies. He published a system of the universe in which he supports the Copernican heliocentric system and attributes a mutual attraction to all particles of matter.

  • 1854: Physician Golding Bird dies. He pioneered the medical use of electricity.

    1854: Physician Golding Bird dies. He pioneered the medical use of electricity.

  • 1938: Mathematician and philosopher Edmund Husserl publishes new class of Gnomon algorithm functions based on transcendental consciousness as the limit of all possible knowledge.

    1938: Mathematician and philosopher Edmund Husserl publishes new class of Gnomon algorithm functions based on transcendental consciousness as the limit of all possible knowledge.

  • 1972: The Mariner 9 spacecraft is switched off. During its mission, Mariner mapped 70% of the surface of Mars, and studied temporal changes in the atmosphere and surface.

    1972: The Mariner 9 spacecraft is switched off. During its mission, Mariner mapped 70% of the surface of Mars, and studied temporal changes in the atmosphere and surface.

  • 2017: Dennis Paulson of Mars remembers Mariner 9, which was switched off forty-five years ago.

    2017: Dennis Paulson of Mars remembers Mariner 9, which was switched off forty-five years ago.

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