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What causes the stars to give off light when ignited?

User Pmann
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The conditions which occur between the hydrogen atom starts to heat the gas in the cloud once the temperature reaches 15,000,000°C nuclear fusion takes place in the center or core of the cloud the tremendous heat given off by the nuclear fusion process causes the gas to glow creating a protostar.
User ZorleQ
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Answer:When fireworks explode in the sky, the gunpowder reactions create a lot of heat, causing the metallic substances pres- ent in the stars to absorb energy from the heat and emit light. ... These electrons absorb energy from the heat, which causes them to move from their original ground-energy state to an excited state.

Step-by-step explanation:

User Dotariel
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