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If thinking of plants as having engines is a little out there for you, how about a really far-out fact: black holes are the universe's most powerful engines. 7. ... there's no going back, but the black hole's extreme gravity creates the perfect environment for generating energy just outside its boundary, or horizon. 9.
The Sanskrit hymn of creation called Nasadiya Sukta (Rigveda 10:1290) in the 'Indian cosmology and the origin of the Universe' was translated by AL ... Hawking argues that if the curves in space-time become deeper, and eventually infinite as in a black hole, Einstein's gravity of space-time will cease to ...

Jedidah Isler is an astrophysicist whose research focuses on hyperactive supermassive black holes, particularly the physics of blazar jets -- one of the most powerful forms of particle acceleration in the universe. She is currently a National Science Foundation astronomy & Astrophysics Postdoctoral Fellow ...
Observations suggest that these supermassive behemoths have the power to stimulate star formation in their host galaxies -- or stop it cold. To understand how supermassive black holes evolve and how they impact galaxy formation, Astrophysicists are increasingly turning to complex cosmological models ...
Heather Wernke, coauthor of the study published in The Astrophysical Journal, and a graduate student at the University of Colorado Boulder (UC Boulder), said: "We predict that in a post-galactic merger period, a supermassive black hole will swallow one star per year. That's 10,000 times more often than ...
A supermassive black hole's gravity creates a nuclear star cluster surrounding it, which gravitational physics would expect to be spherically symmetric. However, several galaxies -- including nearby Andromeda -- have been observed with an asymmetrical star cluster that takes the form of a disk instead.

Every galaxy harbours a supermassive black hole at its center. A new computer model now shows how these gravity monsters influence the large-scale structure of our universe. The research team includes scientists from the Heidelberg Institute for Theoretical Studies (HITS), Heidelberg University, the ...
Supermassive black holes may provide the key to understanding some of the most energetic particles in the universe. A new model suggests that ultra-high-energy cosmic rays accelerated by the jets of enormous black holes may give birth to high-energy neutrinos and high-energy gamma-rays. The model ...
A distant star in the cluster NGC 3201 that's exhibiting odd behavior may be drawing attention to a secret. A team of international Astronomers thinks it's behaving that way because the star is orbiting a black holethat has four times the mass of the sun. The team ... [The Strangest black holes in the Universe].
But one thing is clear: black holes don't have very good table manners, as a team led by researchers at the University of Colorado Boulder confirmed last ... black hole in the galaxy SDSS J1354+1327 (or J1354, for short) with a history of "snacking" on material in its vicinity, then letting out "burps" of energy ...
For years, we've accepted that one the greatest and most mysterious things about black holes is the fact that we just can't see them. You'd need one powerful telescope or even a whole bunch of them. That's why the Event Horizon Telescope is actually a whole network of telescopes that spans the entire ...
Supermassive black holes are found in the centers of nearly every large galaxy, including those in the farthest reaches of the universe. ... move into the age of supermassive black hole reverberation mapping on a true industrial scale," said Niel Brandt, professor of astronomy and astrophysics at Penn State ...
They were examining the "relativistic jets" from black holes, the material that actually does manage to escape from them - one of the most mysterious phenomena in modern astronomy. As explained by Northwestern University: "Similar to how water in a bathtub forms a whirlpool as it goes down a drain, the ...
Essentially, we know that black holes exist because even though they don't emit light, they do have lots of gravity. Thanks to laws of physics discovered by Newton, we can find out exactly how much gravity an object exerts by measuring how fast something else orbits around it. In the case of a black hole, ...
Two of the most extreme and mysterious objects in the universe might be sitting right next to each other. And they're being flashy about it. New observations of the light from the only repeating fast radio burst we have seen show that it appears to be coming from a neutron star beside a huge black hole.
The giant black hole at the center of a distant galaxy has been spotted taking in gas and letting out two mighty "burps" of high-energy particles, lending ... "We know a lot of examples of black holes with single burps emanating out, but we discovered a galaxy with a supermassive black hole that has not one ...
Monster black holes hide in the centers of most galaxies in the universe, and now, a new technique is helping scientists measure the mass of some of the very ... But as the gravity of an SMBH draws in dust and gas from the surrounding galaxy, it creates a swirling disk of material that falls into the black hole.

This behavior aligns with Albert Einstein's predictions about extreme gravity near rotating black holes, published in his famous theory of general relativity. ... This makes the black hole into a kind of launching pad from which energy, in the form of relativistic jets, shoots from the web of twisted magnetic ...
Not only would an image of a black hole prove that they do exist, it would also reveal brand new insights into our universe. "The impact of black holes on the universe is huge," said Doeleman. "It's now believed that the supermassive black holes at the center of galaxies and the galaxies they live in evolve ...
With the help of spectacular computer-generated imagery, Levin leads a virtual tour through the cosmos and straight into a black hole -- the point of no return. black holes are places in space where the pull of gravity is so strong that nothing, not even light, can escape. In a black hole, the laws of physics as ...
DCU's esteemed astrophysicist and black-hole expert Dr John Regan tells us about the challenge of understanding a universe we know so little about. ... During his time there, he worked on trying to understand the formation of the first supermassive black holes in our universe, with his thesis mapping out ...
This behavior aligns with Albert Einstein's predictions about extreme gravity near rotating black holes, published in his famous theory of general relativity. ... This makes the black hole into a kind of launching pad from which energy, in the form of relativistic jets, shoots from the web of twisted magnetic ...
An artist's rendering of hot material falling into a supermassive black hole, creating what is called the accretion disk, shown in orange. ... one of the most successful survey projects in the history of astronomy, which has produced the largest and most detailed three-dimensional maps of the Universe to date.
What will LIGO see when a neutron star and a black hole collide? Levin said her own scientific work focuses on how the smash-up of black holes and magnetized neutron stars just might create the "most powerful electronic circuits in the universe." The resulting magnetic blast from a black-hole battery ...
London: scientists have found evidence that supermassive black holes prevent formation of stars in some smaller galaxies, in what they believe decodes a cosmic mystery. ... But sometimes supermassive black hole shuts off star formation in a galaxy. ... The black hole drives energy through powerful winds.
... "black holes are part of every galaxy. You go to the store and buy a peach, you expect a pit." What's more exciting to Lauer and other Astronomers is that black-hole science has evolved from establishing their existence to investigating the role they play in galaxy formation and in the universe as a whole.
Research finds massive star numbers have been underestimated - affecting calculations for black holes, neutron stars and gravitational waves. ... a significant fraction [of the mass] is in high-mass stars," says one of the authors, Chris Evans of the UK's astronomy technology Centre, in Edinburgh, Scotland.
Supermassive black holes sitting at the center of large galaxies dictate when the systems stop forming new stars, a new study published in the ... "There are different ways a black hole can put energy out into the galaxy, and theorists have all kinds of ideas about how quenching happens, but there's more ...
Conventionally, scientists thought this culminated in a moment about 14 billion years ago when the entire universe was contained in a single point, or a singularity. We've seen singularities in our universe at the hearts of black holes, and observed that most of the laws of physics start to unravel around them.
But observational evidence of a connection between supermassive black holes and star formation has been lacking, until now. ... "We used black hole mass as a proxy for the energy put into the galaxy by the AGN, because accretion onto more massive black holes leads to more energetic feedback from ...
At that speed, it would take 70,000 years to reach the nearest star. But future humans might build interstellar arks, giant ships on which generations of travelers would live and die before delivering colonists to a new destination. Such star-hopping colonists could spread across our entire galaxy before Earth ...
Other than using antimatter, which is extremely rare in the universe, the most efficient way to go about extracting energy from mass is to drop the mass into a black hole. black holes are extremely tiny, yet contain an incredible gravitational force. That means that when objects enter their orbit, they speed up ...
Stars forming in galaxies appear to be influenced by the supermassive black hole at the center of the galaxy, but the mechanism of how that happens has not ... "We study supermassive black holes in the very early universe when they are actively growing by accreting massive amounts of gaseous material," ...
Professor Wright and co-authors examined the energetics surrounding the powerful winds generated by the bright, vigorous supermassive black hole (known as a quasar) at the center of a galaxy called 3C 298. "We study supermassive black holes in the very early Universe when they are actively growing ...
V404 Cygni is classified as a microquasar, or a stellar-mass black hole that behaves similarly to the bright, monster-sized supermassive black holes that ... Quasars are the brightest objects in the universe, and they arise from the radiation emitted by an accretion disk surrounding a black hole weighing ...
So far, LIGO has detected five black hole mergers, of the densest celestial bodies that exist and that are undetectable except through gravitational waves, and one neutron star merger, of smaller, slightly less dense stars, which produced an accompanying burst of light called a kilonova. But black holes and ...
The first point is that black holes are, well, black. They don't emit any light at all. Thus, what scientists observed was not the black hole itself, but rather a thing called a quasar, the first of which was discovered in 1962. Quasars, short for quasi-stellar object, are the brightest persistent things in the universe.
Astronomers have at least two gnawing questions about the first billion years of the universe, an era steeped in literal fog and figurative mystery. They want to know what burned the fog away: stars, supermassive black holes, or both in tandem? And how did those behemoth black holes grow so big in so ...
Astronomers have discovered the oldest supermassive black hole ever found--a behemoth that grew to 800 million times the mass of the sun when the universe ... want to look at as many early supermassive black holes as possible to learn more about their growth and their effects on the rest of the cosmos.
An audacious global project called the Event Horizon telescope is currently working to piece together an image of a black hole for the first time. And if it does, it will be a ... Astronomers also speculate that some black holes may have been formed in the early chaotic universe after the Big Bang. The biggest ...
Stars forming in galaxies appear to be influenced by the supermassive black hole at the center of the galaxy, but the mechanism of how that happens has not ... "We study supermassive black holes in the very early universe when they are actively growing by accreting massive amounts of gaseous material," ...
black holes are known for their extreme behavior -- in particular, the high-speed jets of matter they launch into space. These jets have long fascinated Astronomers, who believe they are associated with the black hole's magnetic field. But new measurements of the magnetic field around a black hole have ...
The bright source near the bottom of this image, Sagittarius A* - pronounced Sagittarius A-star - is thought to be the location of the supermassive black hole at the center of our home galaxy, the Milky Way. See the filament appearing to point toward it? The filament might be caused by high-speed particles ...
So far, LIGO has detected five black hole mergers, of the densest celestial bodies that exist and that are undetectable except through gravitational waves, and one neutron star merger, of smaller, slightly less dense stars, which produced an accompanying burst of light called a kilonova. But black holes and ...
We just gotta call it - this is absolutely jaw-droppingly good and probably won't be topped by anything short of the first photographs of a black hole's event ... space telescope's angular resolution, Astronomers found the one-in-a-million alignment of stars that allowed them to weigh a star using gravity for the ...
"One idea is that these black holes formed during dynamical fragmentation of the inner core of a dying star undergoing gravitational collapse." This, according ... "In this exciting, new era of gravitational wave astronomy, we don't know what we'll find, or where it will lead us," concludes Fedrow. "But our work ...
If you ask fifth grader Garrett Hicks to talk about black holes, he can do so with ease. "The beginning of a black hole is when a star collapses under its own mass," Hicks said. "It forms this black hole where the gravity from the black hole's singularity, which is the star, is so strong that not even light can escape ...
Most scientists believe that it is impossible, in principle, to look inside a black hole and study its structure, since it will lead to the death and/or destruction of any matter sucked into it. Nevertheless, black holes' existence in our universe has given rise to a number of theories regarding their composition.
Now, Astronomers have measured the magnetic field surrounding a black hole located roughly 8,000 light-years away, and found it was thousands of times weaker than they had thought it would be. The results confirmed decades-old models of black holes and revealed new puzzles in need of explanation.
A stunning new view of the Andromeda galaxy reveals an unexpected pair of supermassive black holes that researchers say are in close orbit around each other. ... "We were looking for a special type of star in M31 and thought we had found one," lead author Trevor Dorn-Wallenstein, a researcher from the ...


 

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