The most energetic explosion seen so far has wowed NASA scientists, who captured the blast using the recently launched Fermi Gamma-ray Space Telescope.
The explosion, which occurred about 12.2 billion light-years away, is the first so-called gamma-ray burst Fermi has seen in high resolution. Astronomers think most gamma-ray bursts happen when very massive stars run out of fuel and collapse.
This latest burst emitted the greatest total amount of energy, had the highest initial energy output, and had the fastest moving particle jets of any known explosion.
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