Almost all the gold on Earth — every wedding ring, every coin, every gram in every bank vault — was forged in the collision of dead stars billions of years ago, in events so violent that a single one can produce hundreds of Earth-masses of gold, and the heavy - Space Daily

Almost all the gold on Earth — every wedding ring, every coin, every gram in every bank vault — was forged in the collision of dead stars billions of years ago, in events so violent that a single one can produce hundreds of Earth-masses of gold, and the heavy Space Daily