arcsecond
Số nhiều: arcseconds
Từ liên quan
angledegreearcminuteradiancirclearcgeometrytrigonometryastronomyastrometrytelescopeparallaxresolutionprecisionmeasurementcoordinatedeclinationright ascensionzenithnadirhorizonazimuthaltitudestarplanetgalaxyquasarnebulabinary starorbittrajectorylight yearparsecastronomical unitmagnitudespectrumdiffractionrefractionopticslensmirroraperturefocal lengthmagnificationepochequinoxsolsticeeclipticcelestial spheresextanttheodolitechronometerprotractorcompassnavigationcartographylatitudelongitudechordtangentsinecosinesecantcosecantcotangentvertexsectorsegmentpiconstantcalibrationdeviationerrortolerance