DrX Believes That the Hubble Constant Is H₀ = 55

Multiple Choice

Dr.X believes that the Hubble constant is H₀ = 55 km/s/Mpc.Dr.Y believes it is H₀ = 80 km/s/Mpc.Which statement below automatically follows?

A) Dr.X believes that the universe is expanding,but Dr.Y does not.
B) Dr.X believes that the Andromeda Galaxy (a member of our Local Group) is moving away from us at a slower speed than Dr.Y believes.
C) Dr.X believes that the universe is older than Dr.Y believes.
D) Dr.X believes that the universe will someday stop expanding,while Dr.Y believes it will expand forever.
E) Dr.X believes that the universe has a much higher density than Dr.Y believes.