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  2. Gnomon of Saint-Sulpice - Wikipedia

    en.wikipedia.org/wiki/Gnomon_of_Saint-Sulpice

    Latin and French inscriptions at the base of the obelisk. The mentions of the King and his Ministers were deleted. The name P.C.CL.LE MONNIER survives above right after the deletion. After this first attempt, Languet de Gergy resumed the project in 1742, this time with the objective of properly defining the Easter Equinox. [5]

  3. Jean Tarde - Wikipedia

    en.wikipedia.org/wiki/Jean_Tarde

    Jean Tarde (b.La Roque-Gageac 1561 or 1562, d. La Roque-Gageac 1636) was Vicar general of Sarlat, famous for his chronicles of the diocese. [1] He was a Frenchman and was an early adopter of Copernican theory. [2]

  4. History of astronomy - Wikipedia

    en.wikipedia.org/wiki/History_of_astronomy

    A Brief History of Astronomy – via Internet Archive. Dreyer, J. L. E. (1953) [1906]. History of Astronomy from Thales to Kepler (2nd ed.). Dover Publications. Eastwood, Bruce (2002). The Revival of Planetary Astronomy in Carolingian and Post-Carolingian Europe. Variorum Collected Studies Series. Vol. CS 279. Ashgate. ISBN 0-86078-868-7.

  5. Primum Mobile - Wikipedia

    en.wikipedia.org/wiki/Primum_Mobile

    In classical, medieval, and Renaissance astronomy, the Primum Mobile (Latin: "first movable") was the outermost moving sphere in the geocentric model of the universe. [ 1 ] The concept was introduced by Ptolemy to account for the apparent daily motion of the heavens around the Earth, producing the east-to-west rising and setting of the sun and ...

  6. Astronomia nova - Wikipedia

    en.wikipedia.org/wiki/Astronomia_nova

    Astronomia nova (English: New Astronomy, full title in original Latin: Astronomia Nova ΑΙΤΙΟΛΟΓΗΤΟΣ seu physica coelestis, tradita commentariis de motibus stellae Martis ex observationibus G.V. Tychonis Brahe) [1] [2] is a book, published in 1609, that contains the results of the astronomer Johannes Kepler's ten-year-long investigation of the motion of Mars.

  7. List of French astronomers - Wikipedia

    en.wikipedia.org/wiki/List_of_French_astronomers

    The following are list of French astronomers, astrophysicists and other notable French people who have made contributions to the field of astronomy.They may have won major prizes or awards, developed or invented widely used techniques or technologies within astronomy, or are directors of major observatories or heads of space-based telescope projects.

  8. Timeline of astronomy - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_astronomy

    Mayan astronomers discover an 18.7-year cycle in the rising and setting of the Moon.From this they created the first almanacs – tables of the movements of the Sun, Moon, and planets for the use in astrology.

  9. Astronomy - Wikipedia

    en.wikipedia.org/wiki/Astronomy

    Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to ...