The hub itself will be dimmer and abandoned by the massive stars to which it gave birth.
Such black holes typically start their lives as very massive stars, then quickly burn through their hydrogen supply.
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There may not exist in today's Universe places that have sufficient supplies of gas and dust to feed ever more massive stars.
For example, Neutron stars, the ultra-compact bodies left over when massive stars explode, are thought to have rotation properties similar to those seen in superfluids.
Super-stellar clusters contain a very large number of young, massive stars.
Black holes are known to exist in two classes: The stellar variety result from exploded massive stars and typically pack the mass of a few stars.
Astronomers say the revelation could make it possible to determine the geometry of the universe throughout its various epochs, as well as when and where massive stars formed in its very early stages.
"The bigger picture to this research is that it gives us confidence that there were probably more of these really massive stars in much greater numbers early on in the Universe, " Professor Crowther told BBC News.
The wave of star birth will continue to migrate farther out in the nebula, he said, until in a few million years it will be a shell of glowing gas with its most massive stars at its periphery.
There are tens of thousands of black holes, which can be formed by massive dying stars, in our galaxy, Levin said.
But when all the bodies are very massive, such as stars in a galaxy, this non-linearity becomes important.
At a distance of about 400 million light-years, NGC 6240 is a prime example of a massive galaxy in which stars are forming at an exceptionally rapid rate due to a recent collision and subsequent merger of two smaller galaxies.
Depending on its initial mass, it might collapse to a compact hot star known as a white dwarf (when the star's mass is less than 1.4 times the mass of our sun) or to a neutron star (for stars 1.4 to about three times the mass of our sun) or to a black hole (for stars more massive than three times the mass of our sun).
We call these stars supergiants and they are 20 times more massive than our own sun and so when these stars go supernova they expand to a radius of up to a billion miles, becoming the biggest and brightest star in the universe.
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Looking for planets orbiting red dwarfs is easier because the stars are less massive.
Khan is one of Bollywood's biggest stars with a massive fan following in India and abroad.
So great is the appetite for brand names in the Olympics that retired stars can generate massive publicity with attempted comebacks.
Stars of this massive choreographed water dance include the stunning 210-foot, 86-year-old training vessel Sorlandet -- which will sail all the way from its home in Norway.
And so the first generation of stars was probably very massive and short-lived...
Einstein's theory holds that matter and energy distort space, and massive bodies such as planets and stars travel in this warped space.
Two massive stone walls tower near the crosses and Stars of David.
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The massive wood doors of this private house sported inlaid stars, compass points I convinced myself were leading me somewhere, but the entrance was firmly locked.
Astronomers have found two massive gas-giants located within a dense cluster of stars.
Rather, they're created inside stellar cores, implying that gas giants had a hard time forming until multiple generations of stars had been born, died and spread their innards throughout the cosmos in massive supernova explosions.
In South Korea, internet-gaming stars earn six-figure dollar salaries, attend university on special gaming scholarships and have massive fan clubs glued to the two cable channels dedicated to the sport.
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