Physics and astronomy are cognate sciences.

物理学与天文学是互有关联的科学。

The study of petrology, mineralogy and geochemistry suggests that augite latite and augite monzonite are cognate, belonging to the upper and root parts of the volcanic dome respectively.

岩石、矿物地球化学的研究表明，辉石粗安岩与辉石二长岩同源，分别穹窿的上部和根部。