Big Bang

The Big Bang is the leading scientific explanation for the origin of our universe, suggesting it began as an extremely hot, dense point about 13.8 billion years ago. Suddenly, this spot started expanding rapidly, shrinking in density and cooling over time. This expansion led to the formation of galaxies, stars, planets, and ultimately everything we observe today. Think of it like a cosmic balloon inflating—space itself is stretching, carrying galaxies farther apart. The Big Bang isn't an explosion in space but the expansion of space itself from a very early, concentrated state.