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Stellar nurseries, such as the orion nebula, contain hundreds or more fragmenting and contracting regions, as well as many protostars and stars. What condition would allow a protostar to become a stable
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Stellar nurseries, such as the orion nebula, contain hundreds or more fragmenting and contracting regions, as well as many protostars and stars. What condition would allow a protostar to become a stable star?.

User Fernando Pinheiro
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When a protostar becomes hot enough for nuclear fusion to start, thermal pressure can balance the force of gravity.
User Luke Hamilton
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