权威例句
Theory of extragalactic radio sourcesRedshifts and magnitudes of extragalactic nebulae.The Morphology of Extragalactic Radio Sources of High and Low LuminosityThe Spectrum of the Extragalactic Far Infrared Background from the COBE Firas ObservationsThe HIPPARCOS catalogue as a realisation of the extragalactic reference systemCorrelation of the Highest-Energy Cosmic Rays with Nearby Extragalactic ObjectsCLASSIFICATION PARAMETERS FOR THE EMISSION-LINE SPECTRA OF EXTRAGALACTIC OBJECTSRadiative Transfer in a Clumpy Universe. II. The Ultraviolet Extragalactic BackgroundModels for high-frequency radio outbursts in extragalactic sources, with application to the early 1983 millimeter-to-infrared flare ...THE HUBBL E SPACE T EL ESCOPE KEY PROJECT ON THE EXTRAGALACTIC DISTANCE SCALE. XIII. THE METALLICITY DEPENDENCE OF THE CEPHEID DISTA...