As an alternative Stan Woosley (University of California, Santa Cruz) suggests that a rapidly rotating star collapsing to form a black hole might produce a gamma-ray burst
instead of a supernova.
These low-energy events could be 30 times as common as more-powerful bursts
, calculates theorist Andrew MacFadyen of the Institute for Advanced Study in Princeton, N.
But gamma-ray afterglows aren't steady; they're brightest immediately after a burst
and then they fade rapidly.
It is very important to remember that the force exerted during a burst
is focused from the center point of the existing pipe upwards and outwards.
The newly observed burst
hails from when the universe was only 900 million years old.
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It goes without saying that a full understanding of the pipe bursting method, tooling, pipe burst
system and construction requirements is required by all members of your project team from conception through design, bidding and through construction.
The newly observed X-ray flares, which rise and fade rapidly, fill in what had been "a big blank" between an initial burst
and the afterglow, says Meszaros.
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The characteristics of the burst
, along with the discovery of the elliptical galaxy, suggest that the flash was generated by the collision of two extremely compact objects--either a pair of neutron stars or a neutron star coalescing with an even more-compact body, a black hole.
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