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Magnetic waves create chaos in star-forming clouds 5nvklj





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Magnetic waves create chaos in star-forming clouds

Dragon
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Magnetic waves create chaos in star-forming clouds Empty Magnetic waves create chaos in star-forming clouds

Post by Dragon Fri Sep 14, 2018 12:50 am

New research by Stella Offner, assistant professor of astronomy at The University of Texas at Austin, finds that magnetic waves are an important factor driving the process of star formation within the enormous clouds that birth stars. Her research sheds light on the processes that are responsible for setting the properties of stars, which in turn affects the formation of planets orbiting them, and, ultimately, life on those planets. The research is published in the current issue of the journal Nature Astronomy.

Offner used a supercomputer to make models of the multitude of processes happening inside a cloud where stars are forming, in an effort to sort out which processes lead to which effects.

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Magnetic waves create chaos in star-forming clouds 334pu7m
Dragon
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Magnetic waves create chaos in star-forming clouds Empty Re: Magnetic waves create chaos in star-forming clouds

Post by Dragon Fri Sep 14, 2018 12:52 am

Magnetic waves create chaos in star-forming clouds Magneticwave
Credit: NASA/ESA/F. Paresce/R. O’Connell/WFC3

Offner’s research will shed light on the processes inside star-forming regions such as 30 Doradus, seen in this view from Hubble Space Telescope.

Source / Image Courtesy


Last edited by Dragon on Fri Sep 14, 2018 12:54 am; edited 1 time in total


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Magnetic waves create chaos in star-forming clouds 334pu7m
Dragon
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Post by Dragon Fri Sep 14, 2018 12:53 am

Magnetic waves create chaos in star-forming clouds 2-magneticwave
Credit: University of Texas McDonald Observatory

Magnetic waves from a young star.

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Magnetic waves create chaos in star-forming clouds 334pu7m
Dragon
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Post by Dragon Fri Sep 14, 2018 12:56 am



Visit the scene of Hubble's 22nd anniversary image and explore a rich tapestry of star birth and stellar destruction.



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Post by Dragon Fri Sep 14, 2018 12:57 am



A new study using observations from NASA's Fermi Gamma-ray Space Telescope reveals the first clear-cut evidence that the expanding debris of exploded stars produces some of the fastest-moving matter in the universe. This discovery is a major step toward meeting one of Fermi's primary mission goals.

Cosmic rays are subatomic particles that move through space at nearly the speed of light. About 90 percent of them are protons, with the remainder consisting of electrons and atomic nuclei. In their journey across the galaxy, the electrically charged particles become deflected by magnetic fields. This scrambles their paths and makes it impossible to trace their origins directly.

Through a variety of mechanisms, these speedy particles can lead to the emission of gamma rays, the most powerful form of light and a signal that travels to us directly from its sources.

Two supernova remnants, known as IC 443 and W44, are expanding into cold, dense clouds of interstellar gas. This material emits gamma rays when struck by high-speed particles escaping the remnants.


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Magnetic waves create chaos in star-forming clouds Empty Re: Magnetic waves create chaos in star-forming clouds

Post by Cloud9 Sat Sep 15, 2018 1:41 am

admires Those colours admires


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