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New Type of High-Intensity Cosmic Explosion

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Description: The Fermi Gamma Ray Space Telescope picked up a whole new type of cosmic explosion: a ultra high-intensity explosion coming from the surface of a white dwarf star. The finding stunned observers and theorists alike because it overturns a long-standing notion that such novae explosions lack the power for such high-energy emissions.

In March, Fermi's Large Area Telescope (LAT) detected gamma rays -- the most energetic form of light -- from the nova for 15 days. Scientists believe that the emission arose as a million-mile-per-hour shock wave raced from the site of the explosion. A nova is a sudden, short-lived brightening of an otherwise inconspicuous star. The outburst occurs when a white dwarf in a binary system erupts in an enormous thermonuclear explosion.
Tags: energy, star, hole, universe, black, nuclear, astronomy, galaxy, space, supernova, nasa, telescope, holes, astrophysics, thermonuclear, fermi, The Explosion, Gamma Ray
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