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The sun may have started its life with a binary companion 5nvklj





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The sun may have started its life with a binary companion

Dragon
Dragon
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The sun may have started its life with a binary companion Empty The sun may have started its life with a binary companion

Post by Dragon Wed Aug 19, 2020 12:40 am

A new theory published today in the Astrophysical Journal Letters by scientists from Harvard University suggests that the sun may once have had a binary companion of similar mass. If confirmed, the presence of an early stellar companion increases the likelihood that the Oort cloud was formed as observed and that Planet Nine was captured rather than formed within the solar system.

Dr. Avi Loeb, Frank B. Baird Jr. Professor of Science at Harvard, and Amir Siraj, a Harvard undergraduate student, have postulated that the existence of a long-lost stellar binary companion in the sun's birth cluster—the collection of stars that formed together with the sun from the same dense cloud of molecular gas—could explain the formation of the Oort cloud as we observe it today.

Popular theory associates the formation of the Oort cloud with debris left over from the formation of the solar system and its neighbors, where objects were scattered by the planets to great distances and some were exchanged amongst stars. But a binary model could be the missing piece in the puzzle, and according to Siraj, shouldn't come as a surprise to scientists.

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The sun may have started its life with a binary companion 334pu7m
Dragon
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The sun may have started its life with a binary companion Empty Re: The sun may have started its life with a binary companion

Post by Dragon Wed Aug 19, 2020 12:42 am

The sun may have started its life with a binary companion Thesunmayhav
Credit: M. Weiss

Artist's conception of a potential solar companion, which theorists believe was developed in the Sun's birth cluster and later lost. If proven, the solar companion theory would provide additional credence to theories that the Oort cloud formed as we see it today, and that Planet Nine was captured rather than formed in place.

Source / Image Courtesy


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The sun may have started its life with a binary companion 334pu7m
Dragon
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The sun may have started its life with a binary companion Empty Re: The sun may have started its life with a binary companion

Post by Dragon Wed Aug 19, 2020 12:43 am



The Oort Cloud comets are like the dinosaur bones of solar system formation. Contained in them are the ingredients that made up our planets.


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The sun may have started its life with a binary companion 334pu7m

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