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searching for NGC 5253 1 found (16 total)

alternate case: nGC 5253

Hubble's law (12,378 words) [view diff] exact match in snippet view article find links to article

this ratio of the light curve of SN 1972E and the Cepheid distance to NGC 5253 to determine the constant. mid 1970's 100±10 Gérard de Vaucouleurs De Vaucouleurs