In a star what temperature is required for hydrogen fusion to take place
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10,000,000 Kelvin
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While a star is forming, a gas cloud that is not hot enough for fusion to occur is called
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A Protostar
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Internal Pressure is equal to External Pressure
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In a star, what happens when hydrogen fusion stops
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Helium fusion begins
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In a star, what happens when helium fusion stops for a star like our sun
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It becomes a Red Giant
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Stars form from dust and gas due to
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Gravitational Attraction
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What is it called when a star explodes
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Supernova
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A supernova remnant of a star, that is very dense and spins is
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A Pulsar
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What is a planetary nebula
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The gaseous remains of a red giant
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