Universe Expansion Rate

The universe expansion rate describes how quickly space itself is stretching over time. Think of it like points on a balloon's surface moving away from each other as the balloon inflates. Astronomers measure this rate using a value called the Hubble constant, which relates how far away a galaxy is to how fast it's receding. Recent measurements show that the universe is expanding faster than previously thought, meaning galaxies are moving away at increasing speeds. This ongoing expansion is a fundamental aspect of our universe's evolution, shaped by dark energy and the initial conditions of the Big Bang.