The 'Cosmic Dawn' of Our Universe Ended Far Later Than We Thought - ScienceAlert

For tens of millions of years, our newborn Universe was shrouded in hydrogen. Bit by bit, this vast mist was torn apart by the light of the very first stars in a dawn that defined the shape of the emerging cosmos.

For tens of millions of years, our newborn Universe was shrouded in hydrogen. Bit by bit, this vast mist was torn apart by the light of the very first stars in a dawn that defined the shape of the em… [+3510 chars]

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