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

Question

Quizplus · Accepted Answer

Hubble's constant represents the rate of expansion of the universe, which is the increase in the distance between two points in the universe over time. It is measured in units of kilometers per second per megaparsec.

Hubble's Constant, H0, Represents

Hubble's Constant, H₀, Represents