Question

Some scientists have hypothesized that the universe has been going in cycles of expanding and contracting over and over forever. This idea is called...

Answer 1

The idea that the universe goes through cycles of expanding and contracting is often referred to as the "Cyclic Universe" or "Oscillating Universe" theory. This concept suggests that the universe undergoes a series of big bangs and big crunches, oscillating between phases of expansion and contraction. This hypothesis has been explored in various forms by different scientists and cosmologists throughout history.