 | The ancient Egyptians believed their gods had skin made from gold. The Aztec word for gold, teocuitlatl, literally translates as “excrement of the gods.” Gold has always had a very special relationship with humans. We may find ancient views quaint, but scientists have also struggled to fully understand the origins of gold. It was a puzzle how gold came into existence in the first place.
The answer only arrived in 2017 with the first ever detection of gravitational waves. Those waves were produced by the merger of two neutron stars in an event known as a kilonova. |  |
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