supermassive star


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supermassive star

[¦sü·pər′mas·iv ′stär]
(astronomy)
A star with a mass exceeding about 50 times that of the sun.
References in periodicals archive ?
In the first part of the project, I will compute the impact of stellar feedback from the supermassive star and follow the time evolution of the mass accretion rates.
When a supermassive star dies and collapses in on itself, it creates a black hole that pulls in nearby matter, energy, and even light.
In over 50 papers contributors memorialize Gamov and his theories and address the phenomenology of brane-world cosmological models, black holes, gravitational wave experiments, supernova explosions, axisymmetric stationary flows in compact objects, the higher co-dimension brane-world, ghost stellar fields as a dark energy, the rotating universe, quantum scattering on a cosmic string, line-driven winds near compact objects, weak magnetism effects, the trans-sonic propeller stage, high-energy neutrinos from a collapsing supermassive star, star complexes and starburst clumps in spiral galaxies, a model of nonthermal radiation of a shell-type supernova remnant, space mission Rosetta, and the detection and properties of a near-earth flux of dark electric matter objects.
Flaunting a pair of nearly mirror-image, dusty gas clouds that ballooned into space in opposite directions, the supermassive star known as Eta Carinae has fascinated astronomers ever since (SN: 2/2/91, p.
The most likely source of aluminum-26 is a long-gone supermassive star, whose internal nuclear reactions would have created the element.
Type II supernovas emit lots of hydrogen and are thought to form when the core of a supermassive star collapses, generating a shock wave that triggers an explosion.
A black hole is what remains after a supermassive star dies.
At a distance of 7,500 light-years, Eta Carinae is the closest example of a supermassive star.
Second is a supermassive star with a black hole in its center, which Ozernoy calls "an unstable system' --to say the least.
Such a supermassive star raised serious problems concerning the theory of stellar structure.
Gal-Yam and his colleagues report that the explosion was probably that of a supermassive star, at least two hundred times the mass of the Sun.