BOUNDLESS EXPANSE 3D

Kilonova GW170817

NEUTRON STAR COLLISION · where gold is made
Kilonova GW170817
AI illustration of the real object
DETECTED August 2017PRODUCED gold, platinum, uranium

The first cosmic event ever seen with both gravitational waves and light. Two neutron stars spiraled together and collided, and in the radioactive fireball afterward, telescopes watched heavy elements being forged: gold, platinum, uranium, in quantities measured in Earth masses. The gold in any ring on your hand was almost certainly made in a collision like this.

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