Multiple choice general knowledge science & technology

Law defining the rate at which galaxies are moving away from each other?

  1. hubble's law

  2. bubble's law

  3. trouble's law

  4. kepler's law

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Hubble's Law states that galaxies are moving away from us at speeds proportional to their distance - v = H₀ × d. This expansion law is fundamental evidence for the Big Bang theory. Kepler's laws describe planetary motion around the sun, not galactic recession.