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Elusive origin of stellar geysers revealed by 3-D simulations 5nvklj





Elusive origin of stellar geysers revealed by 3-D simulations 9tpt39

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Elusive origin of stellar geysers revealed by 3-D simulations

Dragon
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Elusive origin of stellar geysers revealed by 3-D simulations Empty Elusive origin of stellar geysers revealed by 3-D simulations

Post by Dragon Thu Sep 27, 2018 12:07 am

Astrophysicists finally have an explanation for the violent mood swings of some of the biggest, brightest and rarest stars in the universe.

The stars, called luminous blue variables, periodically erupt in dazzling outbursts nicknamed "stellar geysers." These powerful eruptions launch entire planets' worth of material into space in a matter of days. The cause of this instability, however, has remained a mystery for decades.

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Elusive origin of stellar geysers revealed by 3-D simulations 334pu7m
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Post by Dragon Thu Sep 27, 2018 12:09 am

Elusive origin of stellar geysers revealed by 3-D simulations Elusiveorigi
Credit: Joseph Insley/Argonne Leadership Computing Facility

A snapshot from a simulation of the churning gas that blankets a star 80 times the sun's mass. Intense light from the star's core pushes against helium-rich pockets in the star's exterior, launching material outward in spectacular geyser-like eruptions. The solid colors denote radiation intensity, with bluer colors representing regions of larger intensity. The translucent purplish colors represent the gas density, with lighter colors denoting denser regions.

Source / Image Courtesy


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Elusive origin of stellar geysers revealed by 3-D simulations 334pu7m
Dragon
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Elusive origin of stellar geysers revealed by 3-D simulations Empty Re: Elusive origin of stellar geysers revealed by 3-D simulations

Post by Dragon Thu Sep 27, 2018 12:12 am



Geysers on Enceladus



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Elusive origin of stellar geysers revealed by 3-D simulations 334pu7m
Dragon
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Elusive origin of stellar geysers revealed by 3-D simulations Empty Re: Elusive origin of stellar geysers revealed by 3-D simulations

Post by Dragon Thu Sep 27, 2018 12:12 am



Water Geysers on Europa Discovered by NASA


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Elusive origin of stellar geysers revealed by 3-D simulations 334pu7m

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