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  2. Ancient Greek astronomy - Wikipedia

    en.wikipedia.org/wiki/Ancient_Greek_astronomy

    Three important textbooks, written shortly before Ptolemy's time, were written by Cleomedes, Geminus, and Theon of Smyrna. Books by Roman authors like Pliny the Elder and Vitruvius contain some information on Greek astronomy. The most important primary source is the Almagest, since Ptolemy refers to the work of many of his predecessors. [3]

  3. Handy Tables - Wikipedia

    en.wikipedia.org/wiki/Handy_Tables

    Ptolemy's Handy Tables (Ancient Greek: πρόχειροι κανόνες, romanized: Procheiroi kanones) is a collection of astronomical tables that second century astronomer Ptolemy created after finishing the Almagest. The Handy Tables elaborated the astronomical tables of the Almagest and included usage instructions, but left out the ...

  4. Newton disc - Wikipedia

    en.wikipedia.org/wiki/Newton_disc

    Colour distribution of a Newton disk. The Newton disk, also known as the disappearing color disk, is a well-known physics experiment with a rotating disk with segments in different colors (usually Newton's primary colors: red, orange, yellow, green, blue, indigo, and violet, commonly known by the abbreviation ROYGBIV) appearing as white (or off-white or grey) when it's spun rapidly about its axis.

  5. Ptolemy VII Neos Philopator - Wikipedia

    en.wikipedia.org/wiki/Ptolemy_VII_Neos_Philopator

    The reassessment of the evidence about the second son of Ptolemy VI and Cleopatra II has led to the alternative identification of Ptolemy Neos Philopator with Ptolemy Memphites, the son of Ptolemy VIII and Cleopatra II, who was born probably in August 143 BC, owing his by-name to his father's installation as pharaoh at the traditional capital ...

  6. Science in classical antiquity - Wikipedia

    en.wikipedia.org/wiki/Science_in_classical_antiquity

    The Ptolemaic system of celestial motion as depicted in the Harmonia Macrocosmica (1661). Science in classical antiquity encompasses inquiries into the workings of the world or universe aimed at both practical goals (e.g., establishing a reliable calendar or determining how to cure a variety of illnesses) as well as more abstract investigations belonging to natural philosophy.

  7. Primum Mobile - Wikipedia

    en.wikipedia.org/wiki/Primum_Mobile

    The angel of the Primum Mobile from the E-Series of the so-called Mantegna Tarocchi. In classical, medieval, and Renaissance astronomy, the Primum Mobile (Latin: "first movable") was the outermost moving sphere in the geocentric model of the universe.