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These data are measured distances and recession velocities for 10 clusters of nebulae, much farther from earth than the nebulae reported in case0701.
case0701
ex0727
A data frame with 10 observations on the following 2 variables.
distance from earth (in million parsec)
recession velocity (in kilometres per second)
Hubble, E. and Humason, M. (1931). The Velocity--Distance Relation Among Extra--calactic Nebulae, Astrophysics Journal 74: 43--50.
# NOT RUN { str(ex0725) # }
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