His interest in astronomy led him to build his own telescope.

他对天文学的兴趣促使他自己动手制作了一台望。

Physics and astronomy are cognate sciences.

理学与天文学是互有关联的科学。

Do you know anything about astronomy?

你懂天文学吗?

Mathematics is connected with astronomy.

数学与天文学有联系。

Astronomy is an abstract subject.

天文学是一门深奥的学科。

Astronomy -s from astrology.

天文学是由占星术演变而来的。