What does Hubble's Law tell us about the Universe?Group of answer choicesIt's expandingIt's contractingIt is staying the same sizeWe don't know

What does Hubble's Law mean?The recommended time to answer this question is 2.5 minutes.Soru 23YanıtAll galaxies are moving away from us at a constant speed.The further a galaxy is, the slower it moves away from us.The further a galaxy is, the faster it moves away from us.The further a galaxy is, the faster it approaches us.All galaxies approach us at a constant speed.

Hubble discovered that more distant galaxies have greater redshift (greater recession velocity).Group of answer choicesTrueFalse

Hubble discovered that ... *1 pointGalaxies are all moving away from us at the same speedGalaxies that are closer to us are moving towards usGalaxies that are closer to us are moving away from us fasterGalaxies that are closer to us are moving away from us slower than those farther from us

According to Hubble's Law, the greater a galaxy's redshift, theGroup of answer choicescloser it is to us.faster it's approaching us.younger it is.farther it is from us.greater its mass.

The expansion of the universe can be explained as: