Liam Watters – The Big Bang, What’s the evidence? When asking one of the key questions in life, ‘How did the universe come to be?’ there is one theory that stands out above all others. The called Big Bang theory. This theory seems to encapsulate many of the answers scientists have been asking for centuries in a cohesive way. In this report I will investigate and explain the four main parts of the big bang theory, often referred to as the ‘Four Pillars’. These ‘Four Pillars’ are: - The Expansion of the Universe theory - Cosmic background radiation - The formation of galaxies and large-scale structures - The relative amounts of hydrogen, helium and deuterium in the universe Ever since its inception and realisation by Georges Lemaitre in 1927, the big bang theory has been added to and developed by hundreds of scientists around the world. There have been many other theories surrounding the creation of the universe, none however have been able to tie all the scientific research and evidence together in the way that the big bang does. For this reason, it is the widely accepted theory in the scientific community and the most reliable theory we have based on our current facts and …show more content…
This idea proposes that the universe is ever expanding in all directions at the same time. About 14 billion years ago the universe popped into existence as a result of a massive explosion. Barely a second old, the universe expanded 90-fold, going from subatomic in size to golf ball size with the first 10-34 of its life (a hundredth of a billionth of a trillionth of a trillionth of a second) . Because of this volatile explosion and extreme density, particles were shot apart from each other, going the only way they could, outwards. This is still happening to this very day, every galaxy, star system and planet in the night sky is receding from us at in every direction as a direct consequence of this initial