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Answer: Gravitational instability theory: gas and dust sticks to itself and collapses
core accretion theory: a core of rock and ice attract gases
Explanation: a p e x
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The match of the theory, its best description, is the following:
- Gravitational instability theory – gas and dust stick to themselves and collapse.
- Core accretion theory- a core of rock and ice attracts gases.
What is gravitational instability theory?
Gravitational instability theory was postulated around a half-century ago. The theory states that if gas and dust collapse around the star, and it forms a disc shape, it will grow until it becomes a planet.
Core acceleration theory also explains the formation of the planet. It is a two-stage process.
Thus, the match is the following:
- Gravitational instability theory – gas and dust stick to themselves and collapse.
- Core accretion theory- a core of rock and ice attracts gases.
Learn more about gravitational instability theory, here:
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