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Solar System Formation More Chaotic Than Previously Thought

 
Birkeland
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User ID: 69727329
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02/10/2016 09:46 AM
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Solar System Formation More Chaotic Than Previously Thought
"The synergy between the presented observations and the hydrodynamics simulations with radiative transfer modeling indicates that the formation and evolution of some, if not all, protoplanetary systems can be more dynamic and chaotic than was previously thought".

[link to advances.sciencemag.org]

Is Sedna an example of our systems chaotic origins ?? And what else might we discover?
Birkeland  (OP)

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02/10/2016 09:51 AM
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Re: Solar System Formation More Chaotic Than Previously Thought
Cannibalism Between Stars - Our Sun's Turbulent Past

"Stars are born inside a rotating cloud of interstellar gas and dust, which contracts to stellar densities thanks to its own gravity. Before finding itself on the star, however, most of the cloud lands onto a circumstellar disk forming around the star owing to conservation of angular momentum.The manner in which the material is transported through the disk onto the star, causing the star to grow in mass, has recently become a major research topic in astrophysics."

"It turned out that stars may not accumulate their final mass steadily, as was previously thought, but in a series of violent events manifesting themselves as sharp stellar brightening. The young FU Orionis star in the constellation of Orion is the prototype example, which showed an increase in brightness by a factor of 250 over a time period of just one year, staying in this high-luminosity state now for almost a century."


Read more --> [link to phys.org]
Lionels Love

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02/10/2016 10:56 AM

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Re: Solar System Formation More Chaotic Than Previously Thought
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