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Question & Answer
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The inner planets are primarily composed of gas and ice.
The outer planets were formed in a colder region of the solar nebula.
Comets are believed to have originated from icy materials influenced by outer planets.
The Sun's gravity played a significant role in shaping the orbits of planets.
All planets formed simultaneously from the same material in the solar nebula.
Understanding the Answer
Let's break down why this is correct
The outer planets formed in colder parts of the solar nebula, so ice could stick to them. Other options are incorrect because Inner planets are rock and metal, not gas and ice; All planets did not form at once.
Key Concepts
Formation of Solar System
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Deep Dive: Formation of Solar System
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Definition
The process of the Solar System's creation, where planets, asteroids, and comets formed from a flat disk of material around the Sun. Inner planets were warmer, smaller, and rocky, while outer planets were colder and larger, with ice mixed in. Gravity from outer planets influenced the movement of ice chunks, leading to the formation and distribution of comets.
Topic Definition
The process of the Solar System's creation, where planets, asteroids, and comets formed from a flat disk of material around the Sun. Inner planets were warmer, smaller, and rocky, while outer planets were colder and larger, with ice mixed in. Gravity from outer planets influenced the movement of ice chunks, leading to the formation and distribution of comets.
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