The final event that occurs when a star is forming is nuclear fusion begins under high pressure. This process marks the transition from a protostar to a main-sequence star, as fusion of hydrogen into helium generates the energy that sustains the star and counteracts gravitational collapse.
Which is the final event that occurs when a star is forming?
The outer layer of the star expands.
Gravity pulls gas and dust together.
A black hole forms as the core collapses.
Nuclear fusion begins under high pressure.
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