Sentences with phrase «giant molecular cloud»

The stars live in dense clumps of gas called giant molecular clouds.
By destroying their parent cloud, these events might also help to regulate the pace of star formation in such giant molecular clouds.
The mechanism that prevents giant molecular clouds from collapsing — whatever it may be — has a lot to do with why we exist in the first place.
Both low - and high - mass clusters form within larger complexes of gas and dust called giant molecular clouds.
Early, fast, turbulent mixing of gas within giant molecular clouds — the birthplaces of stars — means all stars formed from a single cloud bear the same unique chemical «tag» or «DNA fingerprint,» write astrophysicists.
In my first project as a postdoc at the University of California, Berkeley, in 1978, I measured the rotational velocities of star - forming giant molecular clouds in the outer part of the disk of our Milky Way galaxy.
As astronomers report online today in Nature, magnetic fields inside M33's six most massive giant molecular clouds — large concentrations of dense gas and dust that give birth to stars — line up with the spiral arms, suggesting the magnetic fields helped create the huge clouds and that they regulate how the clouds fragment to form new stars.
Thus, astronomers have long wondered if it might be possible to tell if two stars that are now on opposite sides of the galaxy were born billions of years ago from the same giant molecular cloud.
[2] The other giant molecular cloud in the Orion Molecular Cloud is Orion B, which lies east of Orion's Belt.
In the second half of the talk I will present our recent studies of the young stellar population in W3 - AFGL333, located in a high density layer between the expanding W4 HII region and the W3 giant molecular cloud.
IC342 is a face - on weakly barred spiral galaxy with a young nuclear star cluster surrounded by several giant molecular clouds.
These stars tend to be found in their originating OB associations, which are associated with giant molecular clouds.
First of all, they realized that the dark cloud feeding the star should have been set spinning by small, random motions left over from its formation in the giant molecular cloud of which it was a part.
The journey of a new star from the turbulent chaos of the giant molecular clouds to the serene constancy of maturity seems to contain many of the structures found elsewhere in the universe.
Giant molecular clouds and the dark clouds contained in them also possess powerful magnetic fields.
The dark clouds almost never exist on their own but are usually a small part of an even larger complex of gas and dust known as a giant molecular cloud.
Instead, star formation across a giant molecular cloud is a rather anemic process, and relatively few stellar nurseries arise.
They studied emissions from more locations than before — giant molecular clouds, huge blobs of gas and dust grains.
The current theory on the formation of the solar system holds that it originated within a giant molecular cloud of hydrogen, in which clumps of denser material formed.
It covers the whole of the Orion A molecular cloud, one of the two giant molecular clouds in the Orion molecular cloud complex (OMC).
By combining these with observations from Planck, we can now obtain a link to the large - scale structures of giant molecular clouds,» remarks Timea Csengeri from the Max Planck Institute for Radio Astronomy (MPIfR), Bonn, Germany, who led the work of combining the APEX and Planck data.
When a protostar is formed from the collapse of a giant molecular cloud of gas and dust in the local interstellar medium, the initial composition is homogeneous throughout, consisting of about 70 % hydrogen, 28 % helium and trace amounts of other elements, by mass.
Thus, the team interprets that each of the clouds is driven by the high - velocity plunge of an isolated (invisible) black hole without a companion star into a giant molecular cloud.
The dust clouds are thought to be giant molecular clouds, the birthplaces of stars and planets.
It depicts the giant molecular cloud RCW106, a massive billow of gas and dust almost 12,000 light - years away in the southern constellation of Norma, the Carpenter's Square.
«By destroying their parent cloud, as we see in the OMC - 1, such explosions may also help to regulate the pace of star formation in these giant molecular clouds
The Orion Molecular Cloud Complex is a giant molecular cloud of interstellar gas and dust in the direction of Orion, approximately centered on the Orion Nebula (M42).
This image shows Vela - C, a giant molecular cloud where stars are being born, as viewed at far - infrared wavelengths with ESA's Herschel Space...
A collision between two large galaxies is usually the cause of such starburst phases, where the cold gas residing in the giant molecular clouds becomes the fuel for sustaining such high rates of star formation.
On October 4, 2006, a team of astronomers announced the finding of evidence that Sol formed in a fragment (Solar nebula) of a giant molecular cloud (e.g., the Orion Cloud) of gas and dust that gave birth to a large open star cluster with hundreds to thousands of members.
The Carina - Sagittarius Arm is particularly notable for containing a large number of H II regions, giant molecular clouds and young stars.
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