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Astronomers find a universal correlation that could unify th

 
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PostPosted: 26.10.2018 1:10    Post subject: Astronomers find a universal correlation that could unify th Reply with quote

Astronomers find a universal correlation that could unify the study of star formation

https://phys.org/news/2018-10-astronomers-universal-star-formation.html

"What they have found is surprising. A unique correlation emerges between the data compiled, encompassing no less than 16 orders of magnitude and relating very different physical scales: individual, young stars, molecular clouds, and galaxies. Mendigutía says, "We have found a correlation between the pace at which gas transforms into stars and the dense gas mass directly associated to star formation. This is probably one of the widest empirical relations ever observed, given that it encompasses an enormous range of scales: from sizes of hundreds of thousands of light-years in galaxies, to sizes comparable to our solar system in stars."

The researchers suggest a "bottom-up" hypothesis to explain this discovery and propose future observations to test it. According to their hypothesis, the correlation in galaxies and molecular clouds would result from the smaller-scale relation between the individual stars hosted by them. "After the initial surprise, the fact that what we observe in individual stars correlates with whole galaxies is what one would expect if measurements on both scales are correct," concludes Mendigutía."

Read more at: https://phys.org/news/2018-10-astronomers-universal-star-formation.html#jCp


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