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- Geodetic_astronomy abstract "Geodetic astronomy is the application of astronomical methods into networks and technical projects of geodesy.The most important topics are: Establishment of geodetic datum systems (e.g. ED50) or at expeditions apparent places of stars, and their proper motions precise astronomical navigation astro-geodetic geoid determination modelling the rock densities of the topography and of geological layers in the subsurface Satellite geodesy using the background of stars Monitoring of the Earth rotation and polar wandering Contribution to the time system of physics and geosciencesImportant measuring techniques are: Latitude and longitude determination by theodolites, tacheometers, astrolabes or zenith cameras time and star positions by observation of star transits, e.g. by meridian circles (visual, photographic or CCD) Azimuth measurements for the exact orientation of geodetic networks for mutual transformations between terrestrial and space methods for improved accuracy by means of \"Laplace points\" at special fixed points Vertical deflection measurements and their use in geoid determination in mathematical reduction of very precise networks for geophysical and geological purposes (see above) Modern spatial methods VLBI with radio sources (quasars) Astrometry of stars by scanning satellites like Hipparcos or the future Gaia.The accuracy of these methods depends on the instrument and its spectral wavelength, the measuring or scanning method, the time amount (versus economy), the atmospheric situation, the stability of the surface resp. the satellite, on mechanical and temperature effects to the instrument, on the experience and skill of the observer, and on the accuracy of the physical-mathematical models.Therefore the accuracy reaches from 60\" (navigation, ~1 mile) to 0,001\" and better (a few cm; satellites, VLBI), e.g.: angles (vertical deflections and azimuths) ±1\" up to 0,1\" geoid determination & height systems ca. 5 cm up to 0,2 cm astronomical lat/long and star positions ±1\" up to 0,01\" HIPPARCOS star positions ±0,001\" VLBI quasar positions and Earth's rotation poles 0,001 to 0,0001\" (cm...mm)".
- Geodetic_astronomy wikiPageID "2043511".
- Geodetic_astronomy wikiPageLength "3214".
- Geodetic_astronomy wikiPageOutDegree "69".
- Geodetic_astronomy wikiPageRevisionID "697163540".
- Geodetic_astronomy wikiPageWikiLink Accuracy_and_precision.
- Geodetic_astronomy wikiPageWikiLink Angle.
- Geodetic_astronomy wikiPageWikiLink Apparent_place.
- Geodetic_astronomy wikiPageWikiLink Astrolabe.
- Geodetic_astronomy wikiPageWikiLink Astrometry.
- Geodetic_astronomy wikiPageWikiLink Astronomy.
- Geodetic_astronomy wikiPageWikiLink Atmosphere.
- Geodetic_astronomy wikiPageWikiLink Azimuth.
- Geodetic_astronomy wikiPageWikiLink Bedrock.
- Geodetic_astronomy wikiPageWikiLink Category:Astronomical_sub-disciplines.
- Geodetic_astronomy wikiPageWikiLink Category:Geodesy.
- Geodetic_astronomy wikiPageWikiLink Celestial_navigation.
- Geodetic_astronomy wikiPageWikiLink Charge-coupled_device.
- Geodetic_astronomy wikiPageWikiLink Cosmic_triangulation.
- Geodetic_astronomy wikiPageWikiLink Density.
- Geodetic_astronomy wikiPageWikiLink ED50.
- Geodetic_astronomy wikiPageWikiLink Earth_science.
- Geodetic_astronomy wikiPageWikiLink Earths_rotation.
- Geodetic_astronomy wikiPageWikiLink Electro-optics.
- Geodetic_astronomy wikiPageWikiLink Gaia_(spacecraft).
- Geodetic_astronomy wikiPageWikiLink Geodesy.
- Geodetic_astronomy wikiPageWikiLink Geodetic_datum.
- Geodetic_astronomy wikiPageWikiLink Geodetic_network.
- Geodetic_astronomy wikiPageWikiLink Geoid.
- Geodetic_astronomy wikiPageWikiLink Geology.
- Geodetic_astronomy wikiPageWikiLink Hipparcos.
- Geodetic_astronomy wikiPageWikiLink Karl_Ramsayer.
- Geodetic_astronomy wikiPageWikiLink Laplace_point.
- Geodetic_astronomy wikiPageWikiLink Latitude.
- Geodetic_astronomy wikiPageWikiLink Longitude.
- Geodetic_astronomy wikiPageWikiLink Mathematical_model.
- Geodetic_astronomy wikiPageWikiLink Measuring_instrument.
- Geodetic_astronomy wikiPageWikiLink Meridian_circle.
- Geodetic_astronomy wikiPageWikiLink Observation.
- Geodetic_astronomy wikiPageWikiLink Passage_instrument.
- Geodetic_astronomy wikiPageWikiLink Proper_motion.
- Geodetic_astronomy wikiPageWikiLink Quasar.
- Geodetic_astronomy wikiPageWikiLink Reduction_(mathematics).
- Geodetic_astronomy wikiPageWikiLink Satellite.
- Geodetic_astronomy wikiPageWikiLink Satellite_geodesy.
- Geodetic_astronomy wikiPageWikiLink Space.
- Geodetic_astronomy wikiPageWikiLink Space_techniques.
- Geodetic_astronomy wikiPageWikiLink Spherical_trigonometry.
- Geodetic_astronomy wikiPageWikiLink Star.
- Geodetic_astronomy wikiPageWikiLink Star_position.
- Geodetic_astronomy wikiPageWikiLink Star_transit.
- Geodetic_astronomy wikiPageWikiLink Stellar_triangulation.
- Geodetic_astronomy wikiPageWikiLink Tachymeter_(survey).
- Geodetic_astronomy wikiPageWikiLink Temperature.
- Geodetic_astronomy wikiPageWikiLink Theodolite.
- Geodetic_astronomy wikiPageWikiLink Time.
- Geodetic_astronomy wikiPageWikiLink Time_system.
- Geodetic_astronomy wikiPageWikiLink Transformation_(function).
- Geodetic_astronomy wikiPageWikiLink Triangulation.
- Geodetic_astronomy wikiPageWikiLink Vertical_deflection.
- Geodetic_astronomy wikiPageWikiLink Vertical_direction.
- Geodetic_astronomy wikiPageWikiLink Very-long-baseline_interferometry.
- Geodetic_astronomy wikiPageWikiLink Wiktionary:Network.
- Geodetic_astronomy wikiPageWikiLink Zenith_camera.
- Geodetic_astronomy wikiPageWikiLinkText "Geodetic Astronomy".
- Geodetic_astronomy wikiPageWikiLinkText "Geodetic astronomy".
- Geodetic_astronomy wikiPageWikiLinkText "Geodätische Astronomie".
- Geodetic_astronomy wikiPageWikiLinkText "astronomical geodesy".
- Geodetic_astronomy wikiPageWikiLinkText "cosmic geodesy".
- Geodetic_astronomy wikiPageWikiLinkText "geodetic astronomy".
- Geodetic_astronomy wikiPageWikiLinkText "geodetic".
- Geodetic_astronomy wikiPageUsesTemplate Template:Authority_control.
- Geodetic_astronomy wikiPageUsesTemplate Template:Reflist.
- Geodetic_astronomy wikiPageUsesTemplate Template:Unreferenced.
- Geodetic_astronomy subject Category:Astronomical_sub-disciplines.
- Geodetic_astronomy subject Category:Geodesy.
- Geodetic_astronomy hypernym Application.
- Geodetic_astronomy type Software.
- Geodetic_astronomy type Geophysic.
- Geodetic_astronomy type Sub-discipline.
- Geodetic_astronomy type Subfield.
- Geodetic_astronomy type Thing.
- Geodetic_astronomy comment "Geodetic astronomy is the application of astronomical methods into networks and technical projects of geodesy.The most important topics are: Establishment of geodetic datum systems (e.g.".
- Geodetic_astronomy label "Geodetic astronomy".
- Geodetic_astronomy sameAs Q751404.
- Geodetic_astronomy sameAs Astrogeodäsie.
- Geodetic_astronomy sameAs Գեոդեզիական_աստղագիտություն.
- Geodetic_astronomy sameAs m.06h41z.
- Geodetic_astronomy sameAs Astronomie_geodezică.
- Geodetic_astronomy sameAs Астрогеодезија.
- Geodetic_astronomy sameAs Q751404.
- Geodetic_astronomy wasDerivedFrom Geodetic_astronomy?oldid=697163540.
- Geodetic_astronomy isPrimaryTopicOf Geodetic_astronomy.