现代天文学自伽利略时代以来取得了重大进展。

Modern ___astronomy has made significant advances since the time of Galileo.

她在阅读有关天文学的书籍后对这个领域产生了兴趣。

She developed an interest in ___astronomy after reading books on the subject.

天文学涉及观察恒星和行星等天体。

___Astronomy involves observing celestial bodies like stars and planets.