NPR: The NASA Swift satellite has discovered the most distant γ-ray burst seen and the earliest astronomical object ever observed in cosmic history.
Two teams of scientists made the discovery, which they report in Nature.
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Astronomers detect most distant object ever seen
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Most distant cosmic blast seen
A γ-ray burst at a redshift of z ≈ 8.2
An intergalactic race in space and time
GRB 090423 at a redshift of z ≈ 8.1
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