What is the main source of energy for stars - SS3 Physics Astrophysics And Cosmology II Question
What is the main source of energy for stars?
A
Nuclear fusion reactions that convert hydrogen into helium.
B
Gravitational energy released as the star contracts.
C
Energy from the accretion of gas and dust in the early stages of the star's formation.
D
Chemical reactions between different elements in the star.
correct option: a
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