Q.

Stars glow because they convert hydrogen into helium through ____.


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Detailed Solution

Stars glow because they convert hydrogen into helium through nuclear fusion.
Stars are luminous objects; they emit light. They glow because they convert hydrogen into helium through nuclear fusion, which produces a high amount of energy and heat that helps them glow. The colour of the stars is based on their temperature. Blue stars are the hottest stars, yellow-white stars are medium-hot stars like our sun, and red stars are the coolest stars.
 
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