虞耸的穹天论提出了“天形穹隆如鸡子,幕其际,周接四海之表,浮于元气之上”,基本上沿袭盖天说的说法。但其中“复奁以抑水,而不没者,气充其中故也”的比喻是有独到之处,他亲自做过实验,对气体性质有一定认识。《晋书·天文志》记载:李淳风《乙巳占》,并作虞耸《穹天论》。《太平御览》卷二引《穹天论》。《穹天论》“史志”不着录,已佚。清朝马国翰据《晋书·天文志》及类书辑录成一卷。
参考文献
- 《诸子百家大辞典》
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