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HubbleSite Blast from the Past: Farthest Supernova Ever Seen Sheds Light on Dark Universe

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Space Telescope Science

Gazing to the far reaches of space and time, NASA's Hubble Space Telescope identified the farthest stellar explosion ever seen, a supernova that erupted 10 billion years ago. By examining the glow from this dying star, astronomers have amassed more evidence that a mysterious, repulsive force is at work in the cosmos, making galaxies rush ever faster away from each other.

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