The Origins of Gold: From the Birth of the Universe to the Treasures of Earth
Gold has fascinated humanity for thousands of years. Kings built empires with it, explorers crossed oceans in search of it, and miners still dedicate their lives to finding it. Yet the story of gold began long before Earth existed. To understand where gold came from, we must travel back to the birth of the universe itself. A Universe Without Gold When the universe was born in the Big Bang about 13.8 billion years ago, it contained mostly hydrogen and helium. These were the simplest elements, formed during the universe's first few minutes. Gold did not exist. Neither did silver, uranium, platinum, or most of the other heavy elements known today. For hundreds of millions of years, vast clouds of hydrogen and helium drifted through space until gravity pulled them together to form the first stars. The Furnaces of the Stars Inside those early stars, tremendous pressure and heat forced atoms to fuse together. Hydrogen became helium. Helium became carbon, oxygen, and heavier elements. I...