Last Updated：2025/11/28
Although the Ptolemaic system explained planetary motion for centuries, observations eventually showed its inaccuracies.
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Although the Ptolemaic system explained planetary motion for centuries, observations eventually showed its inaccuracies.
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プトレマイオスの天動説は何世紀にもわたって惑星の運動を説明したが、観測が進むとその不正確さが明らかになった。
