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News and Views
Nature 440, 154-155 (9 March 2006) | doi:10.1038/440154a; Published online 8 March 2006
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Astrophysics: Ancient blast comes to light
Enrico Ramirez-Ruiz1
Abstract
Light from the oldest and farthest stellar explosion yet seen was emitted when the Universe was a mere infant. It provides a close-up view of how and when stars formed, and how they affect the primordial gas around them.
A trio of contributions to this issue1, 2, 3 presents observations of the most distant stellar explosion ever seen: a 
-ray burst (GRB) that took place when the Universe (currently accepted age, roughly 13.7 billion years) was only about 900 million years old.
- Enrico Ramirez-Ruiz is at the Institute for Advanced Study, Einstein Drive, Princeton, New Jersey 08540, USA.
Email: enrico@ias.edu
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