But what about other productivity black holes like Sales, Customer Service, and Product Development?
Black holes certainly do, but nobody has yet glimpsed any sign of its cousin, the wormhole.
"Black holes can bang on space time like mallets on a drum, " she said.
But astronomical observations have revealed unexplained outflows of matter from the vicinity of black holes.
Great black holes gaped at us as we crossed the bridge into Baghdad proper.
Then, in 1987, she helped her 8-year-old, Caitlin, with a science project on black holes.
Other galaxies, including our near-neighbor, the Andromeda, contain black holes hundreds of times more massive.
As Stephen Hawking has demonstrated, black holes eventually evaporate in a burst of radiation.
They are produced by supernovae, neutron stars, galactic centres, black holes and the like.
Scientists think that black holes grow as small ones merge to form heavier objects.
Such black holes regularly chomp up stars, and that produces a lot of radiation.
X-ray frequencies, and resulted in the discovery of, among other things, the first black holes.
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But the black holes seen in Chandra's far-off galaxies are up to 100 times bigger.
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In 2005 Britain's charity watchdog wound up one Tamil charity after identifying black holes in its accounting.
Preliminary results from the team have uncovered five other galaxies which may have similarly large black holes.
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Perhaps the most surprising budget black holes are room fragrances and candles, now a multi-billion dollar category.
Such black holes typically start their lives as very massive stars, then quickly burn through their hydrogen supply.
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Those unseen and isolated stellar mass black holes that could lie almost as close as the nearest stars.
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This effectively means that there should be hundreds of intermediate-sized black holes wandering invisibly through the Milky Way.
Whatever the reason, that thing out there, with the black holes and the nebulae and whatnot, is conscious.
Black holes are mysterious space objects with gravitational pulls so powerful they suck in everything around them including light.
One likely source for these is the powerful jets of energy seen sweeping out from some giant black holes.
Once enough time has passed, however, all of the matter around will end up being sucked into black holes.
Estimates such as this may help finally unravel the interplay between black holes and the galaxies that host them.
These objects are predicted to be galaxies in their initial star-forming phase, with giant black holes at their centres.
Black holes are so dense that they do not even let light out.
'here's an interesting fact about black holes', you can almost hear people saying: 'Oh I never understand this stuff.
Previous studies have hinted at the existence of medium black holes, fingering star clusters with suspiciously large masses.
"Ultimately, we may learn more about black holes and their role in the evolution of the Universe, " he added.
In physics, the Event Horizon occurs at the boundary of all black holes.
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