The first stars in the Universe, with Dr Emma Chapman
Instant Genius
00:00
How Do These Early Stars Differentiate?
Early stars are a pure example of what our universe was like after the big bang. The big bang was so hot and violent that you couldn't form heavy elements above hydrogen and helium. You can't form these first stars any more in our universe because there's too much pollution of heavy elements. So they really are very rare, possibly extinct, and very, very interesting to study - because they're unique.
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