Sentences with phrase «from galaxy cores»

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.

Not exact matches

Observations using ESO's Very Large Telescope have revealed stars forming within powerful outflows of material blasted out from supermassive black holes at the cores of galaxies.

Supermassive black holes lurk in the cores of most galaxies, and when they gobble up matter they also heat the surrounding gas and expel it from the host galaxy in powerful, dense winds [2].

Radiation from young stars, as well as from gas spiralling into black holes at the galaxies» cores, heats up dust, making the galaxies glow brightly in the infrared.

Jets are narrow streams of gas that emerge from the cores of some galaxies, travel at more than 99 percent the speed of light, and penetrate as much as several million light - years into intergalactic space before fanning out into broad, luminous lobes.

Then in 1999, astrophysicists detected a steady buzz of x-rays flowing from an object called Sagittarius A *, a radio beacon at the galaxy's core — additional evidence for a black hole.

Further observations showed that the voorwerp was a glowing cloud of gas that stretched some 100,000 light - years from the core of a massive nearby galaxy called IC 2497.

The black hole drives enormous outflows of plasma from the galaxy's core which produce prodigious amounts of radio emission.

New research by Harvard astronomers Peter Williams and Edo Berger shows that the radio emission believed to be an afterglow actually originated from a distant galaxy's core and was unassociated with the fast radio burst.

They found that about 63 percent of the background radio emission comes from galaxies with gorging black holes at their cores and the remaining 37 percent comes from galaxies that are rapidly forming stars.

The team calculated the black hole's distance from the core by comparing the distribution of starlight in the host galaxy with that of a normal elliptical galaxy from a computer model.

Almost all the stars in the Milky Way's disk were thought to orbit in orderly, nearly circular paths around the galaxy's core, but now astronomers find that many of the sun's neighbors have strayed from this course.

«Models of the chemical evolution of disk galaxies will have to be radically revised,» says theoretical physicist James Binney of Oxford University, from the traditional view that metallic stars are concentrated at the core of growing galaxies.

Before LIGO's detections, astronomers only had definitive observations of two varieties of black holes: ones that form from stars that were thought to top out around 20 solar masses; and, at the cores of large galaxies, supermassive black holes of still - uncertain provenance containing millions or billions of times the mass of the sun.

Since the gases thin out away from the core, star concentration should ease rapidly, and galaxies should exhibit sharp edges.

The researchers mapped thousands of star clusters in the attractive barred spiral galaxy M83 (shown), 15 million light - years from Earth, finding that the percentage of young stars in clusters declines from the urban core to the suburbs: Four thousand light - years from M83's center, 19 % of young stars belong to clusters, whereas 13,000 light - years out, just 7 % do.

A lack of stars close to the galactic center distinguishes massive galaxies from standard elliptical galaxies, which are much brighter in their cores.

The most recent addition to the tour, discovered just last year, involves what appears to be a giant plume of antimatter — a fountain of particles identical to ordinary matter except that they have the opposite electric charge — shooting up from the core and straight out of the disk of the galaxy as far as 5,000 light - years, where the antimatter jet meets clouds of ordinary matter, and both are annihilated in a burst of energy.

«Seyfert» galaxies, which are all around us, are sort of miniquasars, producing a torrent of radiation from their core that, though it's far less than a quasar's, is spectacular by ordinary galactic standards.

In fact, for nearly 20 years astronomers have been wondering about the origin of x-rays seen emanating from the core of our galaxy.

These extremely young, extremely distant galaxies blast out as much light as the entire Milky Way, all from a core that is a millionth the Milky Way's diameter.

A galaxy called IC 2497 lies about 45,000 to 70,000 light years from the glowing cloud, and a black hole at its core could easily blast Hanny's Voorwerp with X-rays.

Hubble images showed, on the contrary, that quasars always occur at the cores of distant galaxies and derive their energy from material being sucked into black holes that lie even deeper within the galactic centers.

According to Kool the results coming from SUNBIRD reveal that their new approach provides a powerful tool for uncovering core - collapse supernova in nuclear regions of galaxies.

In addition, this object is speeding away from the core of a much larger galaxy, leaving a wake of ionized gas behind it.

Astronomers using the National Science Foundation's Very Long Baseline Array (VLBA) have discovered jets of plasma blasted from the cores of distant galaxies at speeds within one - tenth of one percent of the speed of light, placing these plasma jets among the fastest objects yet seen in the Universe.

However, the study revealed hardly any pulsating stars around a region almost 1,000 light years wide from the core of the galaxy.

Studying the distorting effects of gravity on light from background galaxies, astronomers uncovered the presence of a filament of dark matter extending from the core of the cluster.

The black hole surrounded by the small galactic remnant is currently speeding away from the core of the much larger galaxy, and will continue to lose more mass as it does so.

This illustration reveals the celestial fireworks deep inside the crowded core of a developing galaxy, as seen from a hypothetical planetary system consisting of a bright, white star and single planet.

Observations from the Gemini North telescope showed that Dragonfly 44 has «a halo of spherical clusters of stars around the galaxy's core, similar to the halo that surrounds our Milky Way galaxy.»

HST image of galaxy M87 showing jet originating from the central core.

The radio emission comes from the core AND from very large regions on either side of the optical part of the galaxy called «radio lobes».

Observations from Keck Observatory showed the galaxy boasts the most rapidly orbiting gas clouds ever measured, the most definitive evidence that they were witnessing the core of a monster galaxy in formation.

Galaxy formation theories have long suggested that monster elliptical galaxies form from the inside out, creating their dramatically star - studded central cores during early cosmic epochs.

The likely remnant core of the original dwarf galaxy is Omega Centauri, an enigmatic globular cluster 16,000 light years from Earth which contains hundreds of thousands of similarly old suns.

This sharpest - ever image, taken in January 2005 with the Advanced Camera for Surveys aboard the NASA / ESAHubble Space Telescope, illustrates a spiral galaxy's grand design, from its curving spiral arms, where young stars reside, to its yellowish central core, a home of older stars (Credit: NASA, ESA, S. Beckwith (STScI), and The Hubble Heritage Team (STScI / AURA)-RRB-

The halo originates from galactic «fountains» caused by star formation in the disk and a super-wind coming from the galaxy's core.

«I was anticipating seeing a lot of merging galaxies, and I was expecting to see messy host galaxies around the quasars, but I wasn't really expecting to see a quasar that was clearly offset from the core of a regularly shaped galaxy,» Chiaberge said.

Analysis of data collected by the Hubble and Chandra space telescopes and the Sloan Digital Sky Survey showed a bright quasar located far from its galaxy's core.

Shao and collaborators now combine the previous Cycle 0 ALMA observations of ULAS J1319 +0950 with new, high - resolution observations from Cycle 1 to draw a detailed picture of where the dust and the atomic and ionized gas (which traces the star formation) reside in this galaxy's core.

The companion galaxy, located to the bottom - right of the image, displays an intricate structure, including a number of trails that extend quite far out from its core.

Astronomer Vera Cooper Rubin found over decades of radio observations that the rotational velocity of clouds of ionized hydrogen (HII regions) in spiral galaxies like the Milky Way was not decreasing at increasing distance from their galactic cores, like the velocity of the planets around the Sun.

Shortly after Christmas, a friend and fellow researcher Doug Thomas sent me a link to a fascinating and moving fan - made video by Javier — marking his decision to leave the massively multiplayer game world, Star Wars Galaxies, and commenting on the mass migration of hard core fans and players from this space.

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