ABC of BIGBANG.
B - Big Bang
It occurred 13.75 billion years ago, according to the prevailing cosmological theory of the universe’s early development, the event that led to the formation of the universe. According to the Big Bang theory, the Universe was once in an extremely hot and dense state which expanded rapidly. This rapid expansion caused the Universe to cool and resulted in its present continuously expanding state. ©
Before 2006 there is something that is forming to change the world. In 2006, everything has change. The name Big Bang is not only a theory but became a reality. 5 hot men who expanded their popularity not only in South Korea, not only in Asia but in the whole world.