What relationship exists between the speed of the galaxies moving apart and their initial distances from one another?

1 Answer
t0hierry · Azhar A.
Aug 22, 2016

Hubble's Law. The farther they are, the higher their velocity will be.

Explanation:

The velocity at which galaxies recede from each other is proportional to their distance from each other. The constant of proportionality is #H#, Hubble's constant.

astro.cornell.edu

#v =H r#

where #H = 500# #(km)/s/Mpc#

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