Concepedia
1994 · 48 citations · 0 references
Natural SciencesAstronomyPhysicsAstrophysicsCosmologyObservational AstronomyCalibrationEquipment CalibrationModel CalibrationSpatial CalibrationTelescope OpticsTelescope Pointing CalibrationAstronomical Instrument CalibrationHubble Constant MeasurementTelescope Calibration