The Earth is Born 4540000000 BC-02-23 21:43:32 The Earth is thought to have been formed about 4.54 billion years ago by collisions in the giant disc-shaped cloud of material that also formed the Sun. Gravity slowly gathered this gas and dust together into clumps that became asteroids and small early planets called planetesimals. Source: For Testing Purposes only: Chronometric… Continue reading The Earth is Born