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Question & Answer
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The inner planets formed close to the Sun in a hot environment, while the outer planets formed further away in a cooler region, allowing for the accumulation of ice.
All planets formed from the same material regardless of their distance from the Sun, leading to similar compositions.
The outer planets formed first due to their larger size, which allowed them to attract more material from the solar nebula.
The inner planets were created from ice that melted due to the Sun's heat, while the outer planets formed from rocks.
Understanding the Answer
Let's break down why this is correct
Near the Sun it was hot and only heavy materials could survive; farther away temperatures fell and gases and ice could stick together. Other options are incorrect because Many think all planets come from the same mix of dust and gas, but the distance from the Sun changes how that mix behaves; Some believe larger planets form first because they attract more matter, but actually planet formation begins with tiny dust grains that stick together.
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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