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  2. File:Hypatian Codex.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Hypatian_Codex.pdf

    The closet copy to the Hypatian Codex is the Khlebnikov Codex (see File:Khlebnikov Codex.pdf). Also significant for the first half is the Laurentian Codex (see File:Лаврентіївський літопис.pdf), which, however, from the mid-12th century focuses more on events in Vladimir-Suzdal.

  3. Maya astronomy - Wikipedia

    en.wikipedia.org/wiki/Maya_astronomy

    Maya astronomy is the study of the Moon, planets, Milky Way, Sun, and astronomical phenomena by the Precolumbian Maya civilization of Mesoamerica.The Classic Maya in particular developed some of the most accurate pre-telescope astronomy in the world, aided by their fully developed writing system and their positional numeral system, both of which are fully indigenous to Mesoamerica.

  4. List of unsolved problems in astronomy - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Since 2003, Jean-Pierre Luminet, et al., and other groups have suggested that the shape of the universe may be the Poincaré dodecahedral space. Is the shape unmeasurable, the Poincaré space, or another 3-manifold? Cosmic inflation: Is the theory of cosmic inflation in the very early universe correct? If so, what are the details of this epoch?

  5. images.huffingtonpost.com

    images.huffingtonpost.com/2012-03-30-Parker...

    %PDF-1.5 %âãÏÓ 191 0 obj > endobj xref 191 25 0000000016 00000 n 0000001437 00000 n 0000001560 00000 n 0000001882 00000 n 0000002862 00000 n 0000003042 00000 n 0000003184 00000 n 0000003359 00000 n 0000003594 00000 n 0000004073 00000 n 0000004242 00000 n 0000081823 00000 n 0000082060 00000 n 0000082215 00000 n 0000107550 00000 n 0000107790 00000 n 0000108080 00000 n 0000142116 00000 n ...

  6. Spacetime topology - Wikipedia

    en.wikipedia.org/wiki/Spacetime_topology

    Spacetime topology is the topological structure of spacetime, a topic studied primarily in general relativity.This physical theory models gravitation as the curvature of a four dimensional Lorentzian manifold (a spacetime) and the concepts of topology thus become important in analysing local as well as global aspects of spacetime.

  7. Timespace - Wikipedia

    en.wikipedia.org/wiki/Timespace

    Timespace or Time-Space, may refer to: Spacetime, any mathematical model that combines space and time into a single continuum "Time Space" (EP), the 2012 single by Japanese singer and voice actress Nana Mizuki; Timespace: The Best of Stevie Nicks, a 1991 greatest hits album by Stevie Nicks; Timespace Tour, a 1991 concert tour by Stevie Nicks

  8. File:The Dresden Codex WDL11621.pdf - Wikipedia

    en.wikipedia.org/wiki/File:The_Dresden_Codex_WDL...

    Ernst Förstermann (1822–1906), bibliothécaire royal de l'électorat de Saxe et directeur de la Bibliothèque nationale et universitaire de Saxe, fut un chercheur célèbre qui travailla sur les codex mayas au XIX e siècle. Förstermann élucida les énigmes des systèmes numériques, calendaires et astronomiques du codex.

  9. Wormholes in fiction - Wikipedia

    en.wikipedia.org/wiki/Wormholes_in_fiction

    He uses the window in space-time and his knowledge of Einstein's relativity equations to rescue his fiancée from a shipwreck four thousand miles away and twelve hours and 40 minutes in the future. [42] [43] The Forever War: Joe Haldeman: 1974: In the classic war novel interstellar travel is achieved through gateways located at collapsars.