GK
BIG BANG THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All stars spend about 90% of their life cycle in this stage of stellar evolution.
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supergiant
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neutron star
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planetary nebula
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main sequence
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Explanation:
Detailed explanation-1: -Main-sequence stars are fusing hydrogen into helium. These nuclear fusion take place deep in the cores of stars. Stars spend about 90% of their lives in this stage.
Detailed explanation-2: -Main Sequence The main sequence phase is the stage in development where the core temperature reaches the point for the fusion to commence. In this process, the protons of hydrogen are converted into atoms of helium.
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