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Gamma Ray Burst GRB990123 The Vault
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Chasing down high-energy gamma rays isn't easy, but astronomers had their big break in early 1999 when the Hubble Space Telescope, joined by ground telescopes from around the globe, tracked the visible glow of the most energetic gamma-ray burst ever recorded. For a brief moment, the light from the blast was equal to the radiance of 100 million billion stars.
(Longer Caption)


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