Hubble's Constant, H₀, Represents

question 23

Multiple Choice

Hubble's constant, H₀, represents:

• A) the rate of expansion of the universe
• B) the speed at which galaxies are moving away from us
• C) the time it takes a galaxy to move twice as far away from us
• D) the size of the universe
• E) the amount of time since the Solar System formed

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