🎬 The Big Bang theory is the leading scientific explanation for the origin of the universe. It proposes that the universe began about 13.8 billion years ago from an extremely hot, dense state and has been expanding ever since. Rather than describing an explosion in space, the theory explains the rapid expansion of space itself, causing galaxies to move away from one another. Key evidence supporting the Big Bang includes the observed expansion of the universe, the cosmic microwave background rad

The cosmic calendar visualises the chronology of the universe, scaling approximately 13.8 billion years into one single year for perspective. New Cosmos: Possible Worlds starts this Sunday at 7pm on National Geographic UK 📺 | National Geographic UK

Was the Big Bang really the start of it all? 💥 Phil Halper explains how, in modern cosmology, the rapid expansion of the Universe (cosmic inflation) triggers endless Big Bangs. Watch the full talk: youtube.com/watch?v=Tx0net82eTo | Royal Institution of Great Britain