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Astronomy

The Origin of Elements in Space

Quick fact

More than half of the elements heavier than iron—like gold, platinum, and uranium—are formed in the violent collisions of neutron stars, not in ordinary supernovae.

Why this is interesting

Every atom in your body was once inside a star that exploded billions of years ago. How did the universe transform a primordial soup of hydrogen and helium into the rich variety of elements we see on Earth?