Respuesta :
According to the nebular theory, only ices condensed with in outer solar system, in which some icy planetesimals developed large enough to pull gas from the nebula, whereas only metal & rock condensed with in inner solar system, resulting in terrestrial planets.
What is the Nebular Theory?
The nebular theory is one that explains how solar systems arise. The term "nebula" is Latin for "cloud," and stars are said to form in clouds of interstellar dust and gas.
Some key features regarding the Nebular Theory are-
- It takes around 100 million years for an unorganized cloud to evolve into a star system filled with planets and moons.
- According to this idea, our solar system began approximately 4.6 billion years ago, while others are still developing in faraway nebulae now.
- This nebular theories explain three observable facts about our own solar system.
- First one is that all of the planets revolve in a single direction.
- The second feature is that all of them orbit around 6 degrees of the same plane.
- Another third is that all terrestrial planets, those within the Asteroid Belt's orbit, are rocky, whilst those outside of it are gaseous.
To know more about the nebular theories, here
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