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protostar

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protostar

In astronomy, early formation of a star that has recently condensed out of an interstellar cloud and which is not yet hot enough for hydrogen burning to start. Protostars derive their energy from gravitational contraction. See Hayashi track.



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? Mentioned in ? References in periodicals archive
 
Some masers were as close to the protostar as Jupiter is to our Sun, which is also a record.
Bermuda-based ProtoStar Ltd filed for bankruptcy protection along with its five affiliates in July and said it was looking to sell its satellites through a court-supervised auction.
is a massive cosmic dust cloud in which microscopic particles may slowly aggregate due to gravitational attraction and eventually give rise to protostars and subsequently planetary systems, with one or more stars and planets.
 
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