young stellar object
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A protostar in which the dust and gas have collapsed into a sufficiently massive body for fusion to begin. The characteristic trait of young stellar objects is the presence of jet outflows-either of molecular gas or of radioactive emissions-that interact with the interstellar medium out of which the star has just been born. See more at protostar.
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Words nearby young stellar object
young one, Young plan, Young Pretender, Young's modulus, Young's rule, young stellar object, youngster, Youngstown, young thing, Young Turk, young'un
The American Heritage® Science Dictionary
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