Solar System Formation More Chaotic Than Previously Thought | |
Birkeland
(OP) User ID: 69727329 United States 02/10/2016 09:51 AM Report Abusive Post Report Copyright Violation | 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
User ID: 65730596 United States 02/10/2016 10:56 AM Report Abusive Post Report Copyright Violation | |