原始惑星系円盤に於ける惑星模型の形成過程
3 months ago
19
≈紀元前4,597,998,000年
太陽質量が0.08から4未満である太陽に関し、原始太陽系円盤のガスや塵が結びつき、直径数kmの微惑星を形成する。
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