When does a star become a star? When the protostellar envelope clears and we can see the star in the middle When its cor
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When does a star become a star? When the protostellar envelope clears and we can see the star in the middle When its cor
When does a star become a star? When the protostellar envelope clears and we can see the star in the middle When its core hits a temperature of 3.8 million K When it has regular magnetic cycles, like the Sun When fusion in its core provides the energy to stop gravitational collapse
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