Birth of the Earth

5 billion years ago solar system was a big cloud of dust (called molecular clouds, covering 100s of light years) which contracted, started spinning, and the center heated enough to become th... Read all5 billion years ago solar system was a big cloud of dust (called molecular clouds, covering 100s of light years) which contracted, started spinning, and the center heated enough to become the sun. As the star is formed, the mass is contracted closer to the center of the disc and ... Read all5 billion years ago solar system was a big cloud of dust (called molecular clouds, covering 100s of light years) which contracted, started spinning, and the center heated enough to become the sun. As the star is formed, the mass is contracted closer to the center of the disc and the disc starts spinning faster. The molecular clouds are made from the debris of 100s of... Read all