Sentences with phrase «near the black hole»

The astronomers also noticed that one side of the donor star was always brighter than the other because it was illuminated by X-rays coming from near the black hole.
The blue stars surrounding the black hole are no more than 200 million years old, and therefore must have formed near the black hole in an abrupt burst of star formation.
One theory suggests the stars were pulled from a pre-existing star cluster that happened to wander near the black hole.
Now astronomers have spotted a new object near the black hole.
By some estimates, the telescope could be used to image near the black hole's event horizon — the boundary around which nothing can escape the black hole's gravity.
These objects are so bright due to the radiation across the full electromagnetic spectrum emitted by particles that become really hot in the regions near the black hole.
To zero in on one aspect of this mayhem, physicist Vladimir Semenov of St. Petersburg State University in Russia and Russian and American colleagues crafted a simulation that depicts the churning matter near a black hole as individual strands of charged gas, laced by strong magnetic lines of force.
Astonishingly, though, astronomers reported in 2000 that they had begun to see stars near the black hole curve around it in response to its gravity.
Blobs of gas roughly the mass of Jupiter (several illustrated) could form near the black hole at the center of the Milky Way and shoot into intergalactic space.
Instead, the X-ray data show the gas near the black hole likely originates from winds produced by a disk - shaped distribution of young massive stars.
A starlike G2, Witzel says, would barrel through the hot plasma near the black hole, staying on its extremely elliptical 300 - year orbit.
A compact source of X-rays that sits near the black hole, called the corona, has moved closer to the black hole over a period of just days.
Another source of radiation near a black hole is the corona.
By tracking the positions and properties of hundreds of millions of randomly distributed particles as they collide and annihilate each other near a black hole, the new model reveals processes that produce gamma rays with much higher energies, as well as a better likelihood of escape and detection, than ever thought possible.
So far, Doeleman and company have only been able to establish that radio emissions near a black hole originate from a specific region whose size they can determine.
The finding suggests that mature stars found near the black hole by other researchers may have originated there despite the violent conditions, says Ramírez, who presented her findings at a press conference on Wednesday.
When pairs of particles and antiparticles spawn near a black hole's event horizon, each pair shares a connection called entanglement.
In yet another thought experiment, Polchinski and his team pondered what would happen if just one of a pair of entangled particles near a black hole's event horizon fell in, while the other escaped as Hawking radiation.
Astrophysicists simulated the fate of a hydrogen cloud as massive as 10,000 suns that suddenly wafted near a black hole.
This may mean that the Milky Way's magnetic field twists into surprisingly complex shapes near the black hole.
Besides hazardous materials, you'd have to look in exotic places like near a black hole or closer to home at lightning in the upper atmosphere to find natural forces capable of making gamma rays.
The red - orange plumes show the debris of the star after its passage near the black hole (located close to the bottom left corner of the image).
QPOs were first discovered near black holes (as X-rays) in 1985 by Michiel van der Klis (University of Amsterdam), who is a co-author of the new article.
Related sites Abstract of paper, with link to full text A primer on strong gravity, including light near a black hole
Based on data taken by NASA's Chandra X-ray Observatory, the model takes into account how energy flows between two regions around the black hole — an inner core close to the boundary beyond which light can not escape (the event horizon) and an outer ring that extends far out and includes the massive young stars lurking near the black hole.
«Fujioka et al. have shown us a versatile new way to explore the processes at work near black holes,» says physicist R. Paul Drake of the University of Michigan, Ann Arbor.
Assuming this is the orbital period of hot gas revolving near the black hole, the astronomers deduce that the monster weighs 450,000 to 5 million times more than the sun, agreeing with previous estimates and making the black hole comparable to the 4 - million - solar - mass one at the Milky Way's center — but located in a galaxy 3.9 billion light - years away.
«The processes near a black hole that kick out radio emissions are basically unknown,» says Edward Fomalont, an astronomer at the National Radio Astronomy Observatory in Virginia.
Scientists can also do reverberation mapping, which uses X-ray telescopes to look for time differences between emissions from various locations near the black hole to understand the orbits of gas and photons around the black hole.
That's exactly what happens to some unfortunate star near our black hole about every 10,000 years, on average, says Morris.
To investigate, Adams and his team used a mathematical duality between Einstein's theory of general relativity — which describes gravity near black holes — and fluid dynamics.
High - resolution soft X-ray spectroscopy offers particularly useful observations that can provide information about the evolution of large - scale structure in the universe, conditions near black holes, stellar atmospheres, and more.
If the pattern holds true, highly magnetized clouds would continue to pass near the black hole over the next several decades.
We need the high resolution of Hubble above the atmosphere to isolate the motions near the black hole.
Only polarization of Sgr A * light permits to constrain the geometry of the magnetic fields near the black hole event horizon and it is possibly the only way to find out what Sgr A * radio source really is.
He imagines what a water planet near a black hole might be like and it's like nothing you've ever imagined.
This is analogous to the curvature of space - time near a black hole.
The astronomers argue that the intensity falls when more of the iron in matter near the black hole is completely ionized — stripped of all 26 of its electrons, so none remain to generate the emission line.
If plasma near the black hole is threaded by large - scale magnetic flux, it will rotate with respect to asymptotic infinity, creating large magnetic stresses.
A compact source of x-rays that sits near the black hole, called the corona, has moved closer to the black hole over a period of just days.
That was consistent with a quasar, but dust blocked the definitive quasar signature of spectral lines emitted by gas near the black hole.
«We're seeing a new class of stars near the black hole, and as a consequence of the black hole.»
These observations help clarify the origin of the powerful jet of gas streaming from the galaxy's center at a high fraction of the speed of light: it is likely driven by the swirling matter near the black hole's boundary.»
With the nearest black hole more than 1000 light years away, the question is very much a theoretical one.
M87's black hole, when viewed from Earth, would be the same apparent size as the nearer black hole at the centre of the Milky Way.
To make it grow, force - feed it with gas, which will resist being devoured by heating up and dispersing as it nears the black hole's maw.
But near a black hole's event horizon, one particle falls into the black hole while the other goes outwards.
a b c d e f g h i j k l m n o p q r s t u v w x y z