Sentences with phrase «of microquasars»
The discovery of microquasars within our own Milky Way Galaxy has won two astronomers a prize from the High Energy Astrophysics Division of the American Astronomical Society.
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Its telescopes installed in Namibia have studied populations of pulsar wind nebulae and supernova remnants, as well as microquasars, never before detected in gamma rays.
«Something that will take millions of years to take place in AGN will take place over a matter of months in microquasars,» says Stéphane Corbel of the Denis Diderot University, Paris, and CEA Saclay, France, and a member of the Fermi team.
This will help to pinpoint sources of high - energy cosmic rays, shed light on mysterious celestial objects such as microquasars, reveal any dark matter at the centre of the sun, and see further and at higher energies than with any other telescope.
Because of these flares, Cygnus X-3 has been dubbed a «microquasar», since it resembles quasars, the flaring supermassive black holes at the centres of some galaxies.
While the jets from galaxy cores are thought to be powered by supermassive black holes millions of times more massive than the Sun, the closer «microquasars» are powered by much smaller black holes or by neutron stars only a few times more massive than the sun.
The astrophysicists used the National Science Foundation's Very Large Array (VLA) radio telescope to capture the faintest details yet seen in the plasma jets emerging from the microquasar SS 433, an object once dubbed the «enigma of the century.»
The pair of stars, called Scorpius X-1, form a «microquasar,» in which material sucked from the «normal» star forms a rapidly - rotating disk around the superdense neutron star.
«This once - a-day series of exquisitely - detailed images is the best look anyone has ever had at a microquasar, and already has made us change our thinking about how these things work,» said Amy Mioduszewski, of the National Radio Astronomy Observatory (NRAO), in Socorro, New Mexico.
Making an extra effort to image a faint, gigantic corkscrew traced by fast protons and electrons shot out from a mysterious microquasar paid off for a pair of astrophysicists who gained new insights into the beast's inner workings and also resolved a longstanding dispute over the object's distance.
Their work is providing new insights that are changing scientists» understanding of the enigmatic stellar pairs known as microquasars.
Microquasars In far - distant quasars and active galaxies, millions or even billions of light - years away, the gravitational and magnetic energy of supermassive black holes is capable of accelerating «jets» of subatomic particles to speeds approaching that of light.