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published in space

Recession velocity and distance

The graph shows the direct relation between the distance of the observed galaxy and the recession velocity (or redshift). A straight line of positive slope best fits the observed data. The gradient of this best-fit line is known as the Hubble constant.

With the sponsorship of the Italian Ministry of Education, Universities and Research
 
Eni S.p.A. - P.IVA 00905811006