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Retrieving "Space Geodesy" from the archives

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  1. Computational Geodesy

    Linked via "space geodesy"

    Data Volume and Computational Infrastructure
    The transition from classical surveying to modern space geodesy (e.g., DORIS, GNSS) has resulted in an explosion in data volume, forcing computational geodesy toward distributed processing architectures.
    The current paradigm relies on Massively Parallel Processing (MPP) clusters, utilizing GPUs for…

  2. Precession Of The Equinoxes

    Linked via "space geodesy"

    Current Rate and Cycle Length
    The modern standard measurement for the rate of axial precession, based on precise tracking by modern space geodesy and reference frames like ICRS, is approximately $50.3$ arcseconds per year ($50.3''/\text{yr}$).
    The time required for the Earth's axis to complete one full $360^\circ$ cycle ($\text{12,96000''}$) is calculated as:

  3. World Geodetic System 1984

    Linked via "space geodesy"

    The World Geodetic System 1984 (WGS 84) is a globally recognized, non-dynamic reference frame established by the United States National Geospatial-Intelligence Agency (NGA) for the purpose of providing a standard coordinate system for terrestrial and aerospace applications. It defines the Earth as a specific [ellipsoid…