- Itleadstothedramaticadvancesinastronomicalphotography.Theunsteadyairisthemostdangeroussourceofdisturbanceforastronomicalphotography....
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- Thedensityoftherequireddataofastronomicalmeasurement,gravimetersurveyandgeodesicsurveyisnotsatisfied.HalleywasawarethattheAUwasoneofthemostfundamentalofallastronomicalmeasurements....
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- AnastronomicalunitisthedistancebetweenEarthandoursun.OneastronomicalunitisthedistancebetweentheEarthandthesun.Itcouldbefoundupto30,000astronomicalunitsfromthesun....
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- anastronomicalobservatoryadvancedorbitingastronomicalobservatoryTheIntihuatanaisthemostfamousone,andoneofitsprimaryfunctionswasforastronomicalobservatory....
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- AnancientastronomicalinstrumentSoyouhavethisastronomicalnumberofsystemstates.Lightpollutionimpactsastronomicalresearchandcanevenaffecthumanhealth.Deacononlyreferredtoitasamassiveastronomicalobject,causingseriousgravitationalandothereffects.Evenifthis...
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- ThesecondwasthefirstuseofanastronomicaltelescopebyGalileoGalilei.Toseethesurfaceofmars,youneedanastronomicaltelescope.itappearsasabrightorange-redspotwhenseenwithnakedeye....
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- Usingwaterpowerandhavingallthefunctionsofthearmillarysphere,itwasthefirstastronomicalclockintheworld.Theastronomicalclock,inventedbytheChinesescientistSuSongover800yearsago,wasthefirstofitskindintheworld.Itgavethecorrecttimeofthedayandnight,aswellast...
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- Meteorshoweristhemostromanticandmagnificentlyastronomicalphenomena.There.areabout246sunspotrecordsintheChineserecordedhistoryabouttheastronomicalphenomena.Here,ontheconstellationorbitofeachsymboldetectchangestoastronomicalphenomena,andthenmakeprophec...
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