These data are measured distances and recession velocities for 10
clusters of nebulae, much farther from earth than the nebulae reported
A data frame with 10 observations on the following 2 variables.
name of the cluster of nebulae
distance from earth (in million parsec)
recession velocity (in kilometres per second)
Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.
Hubble, E. and Humason, M. (1931). The Velocity–Distance Relation Among Extra–calactic Nebulae, Astrophysics Journal 74: 43–50.