Physics, 04.08.2019 04:10 ChasityN8491

Galaxy a is located 200 million light-years from earth, while galaxy b is located 600 million light-years from earth. according to the hubble law, how does the motion of the two galaxies compare?
a. galaxies a and b are moving away from earth at the same rate.
b. galaxy a is moving away from earth three times as fast as galaxy b.
c. galaxy b is moving away from earth three times as fast as galaxy a.

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Galaxy a is located 200 million light-years from earth, while galaxy b is located 600 million light-...