Sentences with phrase «burst of star formation»
The phrase "burst of star formation" refers to a sudden and intense period when many new stars are created. Full definition
And collisions between two galaxies will trigger bursts of star formation.
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An alternate possibility is a relatively recent burst of star formation in the inner galaxy, probably within the last 10 million years.
They are believed to have formed around 12 billion years ago, during intense bursts of star formation as the galaxies around them were assembled.
Scientists believe that gas and dust may have been stripped by nearby galaxies or from an early burst of star formation that used up all the gas.
According to this scenario, massive bursts of star formation should have accompanied the initial growth of black holes, but so far, that has been hard to confirm.
Further analysis allowed the scientists to determine which of the objects are galaxies containing massive central black holes that are actively consuming surrounding material and which are galaxies undergoing rapid bursts of star formation.
The brightest galaxies in today's universe are those undergoing a merger with another galaxy, which triggers a short burst of star formation.
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.
Even prior to the inevitable collision, the pair are actively helping one another to mature by kick - starting dramatic bursts of star formation.
Are they as small as they appear, but bright from great bursts of star formation?
This interacting galaxy is being torn apart by a larger neighbour, but in the process, is showing bursts of star formation and dust lanes, and is an impressive object to image.
«All we know is that the elliptical galaxies formed most of their stars in more intense bursts of star formation,» he says.
In addition to giving astronomers a fascinating glimpse of a huge burst of star formation in the early Universe, the new information about the Cloverleaf helps answer a longstanding question about bright galaxies of that era.
Diminutive galaxies occasionally experience spectacular bursts of star formation.
As rambunctious young» uns, they undergo bursts of star formation that create hot blue orbs out of the simple elements hydrogen and helium.
It has a so called H II nucleus, meaning that NGC 514 has intense current bursts of star formation in its center.
These spiral arms are actually waves of piled up gas and stars sweeping through the galactic disc, triggering sparkling bursts of star formation and leaving clusters like NGC 3590 in their wake.
An earlier sideswiping encounter between the two helped to trigger their astounding bursts of star formation.
The dust's presence provides strong evidence that similar explosions distributed dust that seeded bursts of star formation billions of years ago.
Despite being remarkable in its own right — it has bright bursts of star formation and recorded supernova explosions — it blends into the background somewhat thanks to the gloriously bright star hogging the limelight next to it.
«This is an extraordinary burst of star formation,» McDonald says, noting that it is at least five times the rate of star formation in the next most productive cluster.
Astronomical sources detected in the submillimeter range are generally thought to be distant, dusty galaxies undergoing a vigorous burst of star formation.
In the galaxy, called SDSSJ1506 +54, nearly all of the gas has been driven to the central core of the galaxy, where it has ignited in a powerful burst of star formation.
Many of the young stars that formed in a recent burst of star formation emit the ultraviolet light.
This huge age - gap indicates that the star formation process in Terzan 5 was not continuous, but was dominated by two different bursts of star formation, astronomers revealed in a new study, which will be published in the Astrophysical Journal.
Some galaxies, undergoing immense bursts of star formation and subsequent supernovae, can exhibit tremendous outflows of gas.
From supermassive black holes at galactic centers to giant bursts of star formation to titanic collisions between galaxies, these discoveries allow astronomers to probe the current properties of galaxies as well as examine how they formed and developed.
Messier 108 also contains H1 supershells, shells of expanding gas driven either by bursts of star formation and the resulting supernova explosions, or by infall of gas from outside the galaxy, or possibly by radio jets.
Note that regions of Milky Way are blue from bursts of star formation, while the young, dead galaxy is yellow, signifying an older star population and no new star birth.
IRAS also discovered many previously unknown galaxies that emit most of their energy in the infrared portion of the electromagnetic spectrum (these are known as ultraluminous infrared galaxies), apparently owing to a massive burst of star formation during the merger of two galaxies.
The violent activity triggers huge bursts of star formation that can churn out new stars 100 times faster than in an undisturbed galaxy like our own Milky Way.
«We were not expecting to catch these two elliptical galaxies in this spectacular burst of star formation.»
Others are violent and chaotic, switching on quasars, detonating supernovae, and triggering bursts of star formation.
Isolated objects must have formed in a different way, with one possibility being that they had an early burst of star formation that used up the available gas resources.
Their gas and dust may been blown away by the galaxy moving quickly through the low - density intergalactic medium (hot, very thin gas between the galaxies) or used up in a rapid burst of star formation.
Within the arms, speckles of bright blue mark the locations of young stars, indicating that NGC 4388 has hosted recent bursts of star formation.
The unusual brightness might be due to bursts of star formation, says Barger.
The next step is to see if the Sausage cluster is unique and that these bursts of star formation need very particular conditions.
«What we see in some external galaxies is the same inflow onto a black hole also produces a burst of star formation,» Spergel says.
These first observations indicated an object was very distant and glowing brightly in infrared light, meaning that it was extremely dusty and likely going through a burst of star formation.
It is also possible that jets from the black hole itself could be plowing into the surrounding gas clouds, compressing material and triggering this burst of star formation.
One possibility is that the cold molecular gas fueling the burst of star formation may have been native to the two merging galaxies.
Some are undergoing a burst of star formation now, so many H II regions are seen in them.
Galaxies undergoing such a burst of star formation are called starburst galaxies and they can be the among the most luminous of galaxies.
Star - formation Studies: Astronomers using the 140 - foot discovered a highly unusual, massive interstellar cloud that appears poised to begin a burst of star formation.
«Is this bright infrared light caused by the black - hole - powered core of the galaxy or by a huge burst of star formation?
Looking more than 12 billion years into the past, the scientists found that the young galaxy experiencing a burst of star formation was surrounded by enough cold molecular gas to make 100 billion suns.
It has studied the often - unusual structures produced in these gravitational encounters, investigated the huge bursts of star formation that are induced, and documented that galaxy evolution relies on interactions and mergers more than previously expected.