Astronomers Spot an Orphaned Protostar - by PaulMattSutter
This new system of seven stars is not stable, however. Because of their masses and orbits, they are bound to violently interact with each other. In fact, the astronomers have caught one such ejection in the act. The ejected object is an incredibly small protostar, almost small enough to count as a brown dwarf instead. It is currently moving away from the core of the protostellar system at about 25 km/s, which means it was orphaned about 5,800 years ago.
Protostars of any kind are incredibly violent as they form. Material swirls down onto the protostars, building their mass, but as the protostars heat up they interact with those same surroundings. The movement of gas and dust can form incredibly strong electric and magnetic fields. Those fields then. A similar process plays out around supermassive black holes, but at a much larger scale.
In the case of the HH 24 complex, the astronomers have observed five thin, narrow jets emanating from the central core. These jets are wrapped by magnetic field lines that give them their shape. All together the jets extend for at least five light years away from the core.
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