Know : The History of Life on Earth in one Page

Time Event 4.6 billion years: The Sun formed from the gravitational collapse of a region within a large molecular cloud. Most of the matter gathered in the center (Sun), while the rest flattened into an orbiting disk that became the Solar System (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune).Sun was about 70% as bright as today.... Continue Reading →

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