Appearance of Life on the Earth -3.8 billion d
La vie émergea il y a près de 3,8 milliards d’années.
Big bang - 13.8 billion years
The Big Bang is the scientific model that describes the origin of the Universe. He explains that the Universe was born about 13.8 billion years ago from an extremely dense and warm state, and that it has been expanding since that time. It is not an explosion in space, but an expansion of space itself. The