The universe is about 13.8 billion years old. Our solar system is about 4.6 billion years old including our planet earth, so far the only planet know to have life. The life on earth started early after it cooled down. It took billions of years for lie to evolve from single cell biological being to multicellular plant and animals including primates which evolved into intellectual humans.

The universe is about 13.8 billion years old. Our solar system is about 4.6 billion years old including our planet earth, so far the only planet know to have life. The life on earth started early after it cooled down. It took billions of years for lie to evolve from single cell biological being to multicellular plant and animals including primates which evolved into intellectual humans.