According to the nebular hypothesis when did nuclear fusion begin

Asked by maham237 @ in Biology viewed by 393 People

After the planets formed.
When the sun was 5 billion years old.
When the nebula first exploded outward into space.
When particles were pulled together so tightly they combined.

Answered by maham237 @


Answer;

When particles were pulled together so tightly they combined.

Explanation;

  • The solar nebular hypothesis describes the formation of our solar system from a nebula cloud made from a collection of dust and gas.
  • It is believed that the sun, planets, moons, and asteroids were formed around the same time around 4.5 billion years ago from a nebula.
  • According to this theory, the Sun and all the planets of our Solar System began as a giant cloud of molecular gas and dust.

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