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- Astrocompass abstract "An astrocompass is a navigational tool for determining the direction of true north through the positions of various astronomical bodies.There are certain circumstances when magnetic compasses and gyrocompasses are unreliable. The most obvious is in polar regions, where the force exerted on the needle of a magnetic compass is nearly vertical and gyrocompasses become unstable due to the rotation of the Earth. Magnetic compasses are also susceptible to disruption from magnetic fields other than the Earth's, such as those produced by the hulls of some metal vehicles or craft. Before the advent of electronic navigational aids such as GPS the most reliable way to ascertain north in such circumstances was through the use of an astrocompass.".
- Astrocompass thumbnail Astrocompass_mk_II.jpg?width=300.
- Astrocompass wikiPageID "2097169".
- Astrocompass wikiPageLength "3845".
- Astrocompass wikiPageOutDegree "31".
- Astrocompass wikiPageRevisionID "641293891".
- Astrocompass wikiPageWikiLink Astronomy.
- Astrocompass wikiPageWikiLink Cardinal_direction.
- Astrocompass wikiPageWikiLink Category:Navigational_equipment.
- Astrocompass wikiPageWikiLink Compass.
- Astrocompass wikiPageWikiLink Declination.
- Astrocompass wikiPageWikiLink Earth.
- Astrocompass wikiPageWikiLink Electronic_navigation.
- Astrocompass wikiPageWikiLink Global_Positioning_System.
- Astrocompass wikiPageWikiLink Grid_compass.
- Astrocompass wikiPageWikiLink Gyrocompass.
- Astrocompass wikiPageWikiLink Hour_angle.
- Astrocompass wikiPageWikiLink Latitude.
- Astrocompass wikiPageWikiLink Longitude.
- Astrocompass wikiPageWikiLink Marine_chronometer.
- Astrocompass wikiPageWikiLink Marshall_Cavendish.
- Astrocompass wikiPageWikiLink Moon.
- Astrocompass wikiPageWikiLink Nautical_almanac.
- Astrocompass wikiPageWikiLink North.
- Astrocompass wikiPageWikiLink North_African_Campaign.
- Astrocompass wikiPageWikiLink Obsolescence.
- Astrocompass wikiPageWikiLink Polar_regions_of_Earth.
- Astrocompass wikiPageWikiLink Sight_(device).
- Astrocompass wikiPageWikiLink Solar_compass.
- Astrocompass wikiPageWikiLink Sun.
- Astrocompass wikiPageWikiLink Time.
- Astrocompass wikiPageWikiLink World_War_II.
- Astrocompass wikiPageWikiLink File:Astrocompass_mk_II.jpg.
- Astrocompass wikiPageWikiLinkText "Astrocompass".
- Astrocompass wikiPageWikiLinkText "astrocompass".
- Astrocompass wikiPageUsesTemplate Template:Unreferenced.
- Astrocompass subject Category:Navigational_equipment.
- Astrocompass hypernym Tool.
- Astrocompass type Instrument.
- Astrocompass type Software.
- Astrocompass type Instrument.
- Astrocompass comment "An astrocompass is a navigational tool for determining the direction of true north through the positions of various astronomical bodies.There are certain circumstances when magnetic compasses and gyrocompasses are unreliable. The most obvious is in polar regions, where the force exerted on the needle of a magnetic compass is nearly vertical and gyrocompasses become unstable due to the rotation of the Earth.".
- Astrocompass label "Astrocompass".
- Astrocompass sameAs Q844753.
- Astrocompass sameAs Astrocompass.
- Astrocompass sameAs Sonnenkompass.
- Astrocompass sameAs Astrocompass_mk_II.
- Astrocompass sameAs Tähekompass.
- Astrocompass sameAs Աստղային_կողմնացույց.
- Astrocompass sameAs Astrokompas.
- Astrocompass sameAs Astrokompas.
- Astrocompass sameAs m.06ly5f.
- Astrocompass sameAs Астрономический_компас.
- Astrocompass sameAs Q844753.
- Astrocompass wasDerivedFrom Astrocompass?oldid=641293891.
- Astrocompass depiction Astrocompass_mk_II.jpg.
- Astrocompass isPrimaryTopicOf Astrocompass.