Across Worlds

No intelligent physical or energy force knows why, how, or when the universe came to be in existence. However, there is the formulated idea that the universe expanded from a very high-density and high-temperature state…13.7 billion years ago. Phenomena, including light energy, dark energy, and cosmic microwave backgrounds, extrapolated within the laws of physics, speculate that before a period of extremely high density, there was a singularity event known as the Big Bang. A cosmological mod...