Brown dwarfs spin at top speed

Brown dwarfs spin at top speed

In our Milky Way alone, 100 billion brown dwarfs exist: “failed” stars whose masses are insufficient for nuclear fusion of hydrogen to ignite inside them. Therefore they only shine weakly and are more difficult to observe than real stars. Megan Tannok of the University of Western Ontario and her colleagues succeeded in inspecting three special specimens of these brown dwarfs. As he writes in “Astronomical Journal” and in advance arxiv, Those samples rotate at their equator at speeds of about 100 kilometers per second – the highest value ever recorded in brown dwarfs and the maximum believed to be possible for such a protostar.

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