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Hubble's 1929 Velocity-Distance Relation



Hubble's 1929 velocity-distance relation for 46 nebulae. The black dots and the solid line represent the solution obtained from the 24 nebulae for which individual distances were determined, using them separately. Empty circles and the dashed line represent the solution obtained by combining the nebulae into groups. The cross represents the mean velocity for a set of 22 nebulae whose distances could not be estimated individually.

Publications of the National Academy of Sciences vol. 15 (1929): 168-173

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