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Published online 6 April 2005 | Nature | doi:10.1038/news050404-5

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Universe spawned stars at a young age

Spitzer telescope reveals surprisingly robust early galaxies.

The Universe's first stars were born a mere 700 million years after the Big Bang, far earlier than researchers previously thought. The discovery comes from images of stars in galaxies that are so far away their light has taken some 13 billion years to reach us.

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